DIY_EFI Digest Friday, 27 June 1997 Volume 02 : Number 217 In this issue: CNG Injectors RE: Please post Re: Crank sensor signal mod Holley fuel pump RE: 6801 disassembler Re: Crank sensor signal mod Re: Holley fuel pump Re: Holley fuel pump RE: Holley fuel pump Re: Holley fuel pump Re: CNG Injectors Ford Escort 1991 "Check engine" light Re: DIY_EFI Digest V2 #216 Re: Ford Escort 1991 "Check engine" light TPI swap fuel rail Re: GM TPI auto trans -> manual? Re: GM TPI auto trans -> manual? RE: fuel rail RE: Wanted: Rev Limiter Re: Strange parts (was Re: Brakes, again) Re: Holley fuel pump LH 2.2 problem solved. See the end of the digest for information on subscribing to the DIY_EFI or DIY_EFI-Digest mailing lists. ---------------------------------------------------------------------- From: adevuo@xxx.it (Antonio De Vuono) Date: Thu, 26 Jun 1997 12:31:02 +0200 Subject: CNG Injectors Do you know if I can obtain a copy of Data Sheets of the CNG injectors that you used? Could you please send me the address of MSD? Who are they? Are they Bosch distributors? Where is your shop? I will come in USA in the next future, if it will be possible I will come to see the car. Thank you Tony ------------------------------ From: James Boughton Date: Thu, 26 Jun 1997 10:22:46 -0400 Subject: RE: Please post - ------ =_NextPart_000_01BC821A.E5F301C0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Michel, Here is my guess (and believe me I am guessing). On typical gasoline = injection cars there is a function which decreases the pulsewidth for a = short period of time on open to closed throttle transitions. This is to = keep the engine operation near stoichiometric while the puddled fuel in = the intake manifold gets sucked into the engine. With the LPG fuel = there is no puddling and the decrease in pulsewidth is actually forcing = the engine lean causing the bump your friend is feeling. As I am not = familiar with the control system of the 730i or LPG fuel I am shooting = in the dark, but there is my explanation :-) Jim Boughton boughton@xxx.net Owner - Boughton Engine Systems Technology (B.E.S.T.) - ---------- From: Mpotheau@xxx.com] Sent: Tuesday, June 24, 1997 6:16 AM To: DIY_EFI-Digest@xxx.edu Subject: Please post A non English speaking friend of mine is having problems with his BMW = 730i. The car is far, far away and I cannot reach out and touch it. I am not familiar with how the conversion was done, it has kindly been described = as butcherwork. The car runs on both LPG and Gasoline (one at a time). = The reason for this is obvious- cost of LPG is about 1/3 of gasoline. Car runs fine on gas, no problems of note. On LPG the car does not decelerate smoothly, sorta a reverse hesitation when lifting off the throttle. mpotheau@xxx.com Michel Potheau - ------ =_NextPart_000_01BC821A.E5F301C0 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+IjEOAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAENgAQAAgAAAAIAAgABBJAG AGQBAAABAAAADAAAAAMAADADAAAACwAPDgAAAAACAf8PAQAAAGMAAAAAAAAAgSsfpL6jEBmdbgDd AQ9UAgAAAABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AFNNVFAAZGl5X2VmaUBj b3Vsb21iLmVuZy5vaGlvLXN0YXRlLmVkdQAAHgACMAEAAAAFAAAAU01UUAAAAAAeAAMwAQAAACMA AABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AAADABUMAQAAAAMA/g8GAAAAHgAB MAEAAAAlAAAAJ2RpeV9lZmlAY291bG9tYi5lbmcub2hpby1zdGF0ZS5lZHUnAAAAAAIBCzABAAAA KAAAAFNNVFA6RElZX0VGSUBDT1VMT01CLkVORy5PSElPLVNUQVRFLkVEVQADAAA5AAAAAAsAQDoB AAAAAgH2DwEAAAAEAAAAAAAAA9xNAQiABwAYAAAASVBNLk1pY3Jvc29mdCBNYWlsLk5vdGUAMQgB BIABABAAAABSRTogUGxlYXNlIHBvc3QAMQUBBYADAA4AAADNBwYAGgAKABYALgAEAEYBASCAAwAO AAAAzQcGABoACgAOADEABABBAQEJgAEAIQAAAEY0N0Q3MDgyMDJFRUQwMTFBMzEzNDQ0NTUzNTQw MDAwAMIGAQOQBgB0BgAAEgAAAAsAIwAAAAAAAwAmAAAAAAALACkAAAAAAAMANgAAAAAAQAA5AOCZ SGs8grwBHgBwAAEAAAAQAAAAUkU6IFBsZWFzZSBwb3N0AAIBcQABAAAAFgAAAAG8gjxrJ4JwffXu AhHQoxNERVNUAAAAAB4AHgwBAAAABQAAAFNNVFAAAAAAHgAfDAEAAAAUAAAAYm91Z2h0b25AYmln bmV0Lm5ldAADAAYQL0mmRgMABxB2BAAAHgAIEAEAAABlAAAATUlDSEVMLEhFUkVJU01ZR1VFU1Mo QU5EQkVMSUVWRU1FSUFNR1VFU1NJTkcpT05UWVBJQ0FMR0FTT0xJTkVJTkpFQ1RJT05DQVJTVEhF UkVJU0FGVU5DVElPTldISUNIREVDUgAAAAACAQkQAQAAAAQFAAAABQAAYAgAAExaRnW3tpG7/wAK AQ8CFQKoBesCgwBQAvIJAgBjaArAc2V0MjcGAAbDAoMyA8UCAHByQnER4nN0ZW0CgzN3AuQHEwKA fQqACM8J2TvxFg8yNTUCgAqBDbELYOBuZzEwMxRQCwoUUS0L8mMAQAXQaRFwZWwmLAqGAZEgSASQ ZSDBBAAgbXkgZwpQBBFiKABwZCBiGzAIkHaDHFAHgCBJIGFtHMSBC4BnKS4gIE8DoDh0eXAbAAdA HMBhcycG8AuAHFFuagWQdGl9AiAgH7ARoB9gGyAcRGGQIGZ1biDEd2gbAT4gBYEWECAAB5EhcSBw 7HVsEbAD8GQhcCIQBbF5IgBzaBWxI+AGcQRwILxvZh9gB3ElwAOgbyVg/R9RbyEQFaARsB1gIXAD YGUCQGwcUHRyAHIg0nO9HxFUIsAEIBxxJtFrCeD2cCOjCfBnIEImgSgQINP3IFAKwRPAbxsBIOAH gCgAzxsAIqIn0iPDZGQn0B1g/yIgGzAgcSOjC4ABkCmQHJBvAHAGkAbwHWBnEcAEIHP8dWMpkB1g LlEm4CnoHxGOVyhQIvAjskxQRy2E/SF3bibgLRMe0R5AHVEjsl8jFi3SI/kh0iDAdQdAbPscsCSh YzNiKekn0AORH7BGdR7CI6NidW0pwHnfCGEiEAiBHVEccWYJ4DNSvR8RQQQgHjMy4AVAZh5Q/wMQ BzAFwAPwMVUFoAIwA2AdAyBzE7MlwyPBNzMw/mklwAXAMcceMyUBJ6AzYuUt5WQKwGssOIEFQCF3 KRyhZXgLUW4q1DotlikKhQqFSgdwIEIIYHRnaCbQbgqFBuBDpEDIYmlnIFB0LkUxCoUsT3cgUAXA LUN3IEXXKjQTpAQgVAWQaDLgFaACZxywKEIuRS5TOC5ULkJdCvQdoDE4gjAC0WktMTQ0DfDnDNBL QwtZMTYKoCeRILG/RmBNZwqHTBsMMEzmRgNhzjpObkzmG9NNcCegGyApN+BAYQbwLgWgbVugU01U UDpSLl1OD99PHQZgAjBQT1FbVBzhQBCaeUBQSiIwHFAyNEBQgDE5OTcgNjpMsM0UsE1Un08dVG9W 31FbAERJWV9FRkkt5kRFEAeQdEAFoCQAA3CkYi4qIS5vK9EtE8A3KtAw8AmAdVqfVa51Yvcgoly/ UVtQN4E0gVIwE8DzSW9KczM2S+caRUzmCoX+QTLRRwMdoCUAJPAlYC6AfzNiOTUl0TtQIFIEIBGA dj8zYkzhAmBH0jvDKPJCTfpXPaMuCoUo0TwxCsE5ou8KwEBQb3EeQHdZADOTHjD9H7BuOvIjQSLh CGAFQDOj/whgIuEoUB8ROqYKhTs8JRD/B+A8FR3QEaAicyAAIwACIP5lQFAoUGwRBCBqsS1AHLD/ HYAmoQ2wBPIdgB1gIABEBtNAgBsRcncFsGsos27k/nIiMAQgIPEG4CRxMcIdQvpHIAYodgEeQHGh JfMfAv9uwQqFI0Ig8SSiIXApBGyw+2xACGBzRnAFoBPAJcIxwsch0kRxBUAxLzMlwh/2+242CoVD eeZLECpiA6Af8f9AUDLibKYl0TrxMPIfQTHC/zwTCsF18AeRcwgFgRswKrL9HFBzBGBSQTYgQFAg EAAg/yIAIgAWEHUyHFAbIChBKtT/IrAmoR2gAYAzYiXQPVMKhf8ndm42OLBSTAqFGvRlYFJEX2Yv Zz9oTwqyFTEAkvADABAQAAAAAAMAERAAAAAAQAAHMAB2sE47grwBQAAIMAB2sE47grwBHgA9AAEA AAAFAAAAUkU6IAAAAACO9A== - ------ =_NextPart_000_01BC821A.E5F301C0-- ------------------------------ From: djp@xxx.edu (Dick Protus) Date: Thu, 26 Jun 1997 10:50:37 -0400 (EDT) Subject: Re: Crank sensor signal mod > > Hi Dick > If you need pulses from a 12 tooth wheel and want to work with a 60 tooth > wheel just divide (count down) by five. Usually you are not so lucky and it > is an odd fraction. Then you have multiply by the numerator and divide the > result by the denominator. > > At 01:04 PM 6/24/97 +0000, you wrote: > > I was wondering if anyone had ever modified the output signal of a > >crank sensor to make it work with an ecm that was expecting a different > >sensor/wheel combination? > > Unfortunately the missing teeth that are used for the indexing don't correspond. The 12 tooth wheel is missing 3, and the 60 tooth wheel is missing 2, (a lot less than the equivalent 15 missing). I was thinking about using a microcontroller to read in the rpm and the index then generate the right indexed output. I need to talk to electromotive to find out if they have a work around before I put a lot of time into this. I was just curiuos if anyone else had tried tackling something like this before, and for other opinions. Dick ------------------------------ From: Greg Woods Date: Thu, 26 Jun 1997 09:51:52 -0500 Subject: Holley fuel pump This isn't quite "on topic" but here goes anyway...:) I retrofitted a GM TBI system on my 2.8l cherokee last week. I used a holley external fuel pump instead of the OEM intake pump and that holley pump is LOUD! I have to turn the stereo way up to keep from hearing it's whining! Has anyone else had this problem? If so, what did you do to remedy it? any ideas? anyone?? greg woods gwoods@xxx.com austin, tx 86 xj 2.8l tbi ------------------------------ From: Frederic Breitwieser Date: Thu, 26 Jun 1997 11:15:09 -0400 Subject: RE: 6801 disassembler - --Boundary_(ID_7FRqNLVF7Ej90EUiK+4wig) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit Howdy! Instruction/Assistance Manual : http://www-leland.stanford.edu/class/ee281/asref.txt Assembler: ftp://ftp.cdrom.com/pub/hamradio/qrzii/xasm/cug292.zip You might find some other neat stuff at http://search.motorola.com as well as www.mot.com - ---------- From: Michael J Weber Sent: Wednesday, June 25, 1997 5:44 PM To: diy_efi@xxx.edu Subject: 6801 disassembler I have searching the archives for information on a 6801 disassembler but haven't had any luck. If anybody has one or information where to find one I would greatly appreciate it. 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You may have sensor problems, but a laser cut wheel in QTY 1 is about 50 dollars. You can use most any CAD program that outputs autocad DXF files for the laser cutters. I have a program written in Design Cad 2d that takes the size of the wheel, number of teeth, and number missing that will do what you want. I also can just send you a DXF of the sized wheel that you may want. Sandy At 09:49 PM 6/24/97 -0700, you wrote: >Hi Dick >If you need pulses from a 12 tooth wheel and want to work with a 60 tooth >wheel just divide (count down) by five. Usually you are not so lucky and it >is an odd fraction. Then you have multiply by the numerator and divide the >result by the denominator. > >At 01:04 PM 6/24/97 +0000, you wrote: >> I was wondering if anyone had ever modified the output signal of a >>crank sensor to make it work with an ecm that was expecting a different >>sensor/wheel combination? > > ------------------------------ From: cloud@xxx.edu (Tom Cloud) Date: Thu, 26 Jun 1997 11:05:08 +0000 Subject: Re: Holley fuel pump >This isn't quite "on topic" but here goes anyway...:) >I retrofitted a GM TBI system on my 2.8l cherokee last week. >I used a holley external fuel pump instead of the OEM intake pump >and that holley pump is LOUD! I have to turn the stereo way up to >keep from hearing it's whining! Has anyone else had this problem? >If so, what did you do to remedy it? any ideas? anyone?? The Holley red and blue gerotor pumps are LOUD ! What part of that don't you understand ??? 8^) I've double insulated mine from the frame on crushed rubber heater hose. Then determined that some of the noise was being transmitted to the frame through the metal fuel line, so I put heater hose over that -- that helped, but it's still loud. Next, I'm going to put on cherry bombs or such so I don't have to listen to it ;-) (In audio-ese, we call that "Masking" !!) Tom Cloud ------------------------------ From: peter paul fenske Date: Thu, 26 Jun 1997 09:20:20 -0700 (PDT) Subject: Re: Holley fuel pump Hi Greg Yep the Holley Blue Race pump is mondo loud. Designed for race cars.. Used to have one on bracket car.. I think I would look at other pumps.. I believe it is not meant for continous duty even though a lot of tough people use it that way.. GL: with earplugs :peter At 09:51 AM 6/26/97 -0500, you wrote: >This isn't quite "on topic" but here goes anyway...:) >I retrofitted a GM TBI system on my 2.8l cherokee last week. >I used a holley external fuel pump instead of the OEM intake pump >and that holley pump is LOUD! I have to turn the stereo way up to >keep from hearing it's whining! Has anyone else had this problem? >If so, what did you do to remedy it? any ideas? anyone?? > >greg woods >gwoods@xxx.com >austin, tx >86 xj 2.8l tbi > > ------------------------------ From: Frederic Breitwieser Date: Thu, 26 Jun 1997 13:06:54 -0400 Subject: RE: Holley fuel pump - --Boundary_(ID_E10rC8gA1vnOv5vfeRbW/A) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: quoted-printable Howdy Make sure your pump mounts have some kind of urethane or rubber bushings = so there is little to no transmission of vibration though the fender, = firewall, or whereever you mounted it. Also check the fuel line and = make sure its mounted well, that there are not loose brackets, and = sometimes putting an insulator (rubber strip) between the clamp/hose and = the chassis helps a lot as well. Put the fuel line clamps into the line = spaced out at different intervals, this way the vibration waves will be = out of sync with each other and not oscillate so much. If that doesn't help, you need a larger subwoofer, or put on headers. = I've found over the years that open headers pretty much drown out all = the other noises . Cheers, Fred - ---------- From: Greg Woods Sent: Thursday, June 26, 1997 10:51 AM To: 'diy_efi@xxx.edu' Subject: Holley fuel pump This isn't quite "on topic" but here goes anyway...:) I retrofitted a GM TBI system on my 2.8l cherokee last week. =20 I used a holley external fuel pump instead of the OEM intake pump=20 and that holley pump is LOUD! I have to turn the stereo way up to=20 keep from hearing it's whining! Has anyone else had this problem?=20 If so, what did you do to remedy it? any ideas? anyone?? greg woods gwoods@xxx.com austin, tx 86 xj 2.8l tbi - --Boundary_(ID_E10rC8gA1vnOv5vfeRbW/A) Content-type: application/ms-tnef Content-transfer-encoding: base64 eJ8+IiYRAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEkAYAZAEAAAEAAAAMAAAAAwAAMAIAAAAL AA8OAAAAAAIB/w8BAAAAYwAAAAAAAACBKx+kvqMQGZ1uAN0BD1QCAAAAAGRpeV9lZmlAY291bG9t Yi5lbmcub2hpby1zdGF0ZS5lZHUAU01UUABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUu ZWR1AAAeAAIwAQAAAAUAAABTTVRQAAAAAB4AAzABAAAAIwAAAGRpeV9lZmlAY291bG9tYi5lbmcu b2hpby1zdGF0ZS5lZHUAAAMAFQwBAAAAAwD+DwYAAAAeAAEwAQAAACUAAAAnZGl5X2VmaUBjb3Vs b21iLmVuZy5vaGlvLXN0YXRlLmVkdScAAAAAAgELMAEAAAAoAAAAU01UUDpESVlfRUZJQENPVUxP TUIuRU5HLk9ISU8tU1RBVEUuRURVAAMAADkAAAAACwBAOgEAAAACAfYPAQAAAAQAAAAAAAAC2k0B BIABABUAAABSRTogSG9sbGV5IGZ1ZWwgcHVtcAAMBwEFgAMADgAAAM0HBgAaAA0ABgA2AAQAQQEB IIADAA4AAADNBwYAGgANAAMAMwAEADsBAQmAAQAhAAAAMDZFQjk4OEQ0MkVFRDAxMUJDRjgwMEEw MjQ4NTUyN0YAKwcBA5AGAJwGAAAUAAAACwAjAAAAAAADACYAAAAAAAsAKQAAAAAAAwAuAAAAAAAD ADYAAAAAAEAAOQAAa+lYU4K8AR4AcAABAAAAFQAAAFJFOiBIb2xsZXkgZnVlbCBwdW1wAAAAAAIB cQABAAAAFgAAAAG8glNY542Y6wfuQhHQvPgAoCSFUn8AAB4AHgwBAAAABQAAAFNNVFAAAAAAHgAf DAEAAAAgAAAAZnJlZGVyaWMuYnJlaXR3aWVzZXJAbWNpb25lLmNvbQADAAYQbk3kDwMABxATBAAA HgAIEAEAAABlAAAASE9XRFlNQUtFU1VSRVlPVVJQVU1QTU9VTlRTSEFWRVNPTUVLSU5ET0ZVUkVU SEFORU9SUlVCQkVSQlVTSElOR1NTT1RIRVJFSVNMSVRUTEVUT05PVFJBTlNNSVNTSU9OT0ZWSQAA AAACAQkQAQAAAAYFAAACBQAAGggAAExaRnUbnAkf/wAKAQ8CFQKkA+QF6wKDAFATA1QCAGNoCsBz ZXTuMgYABsMCgzIDxgcTAoMiMw96aGVsAyBEbOpnAoM0Ew19CoAIzwnZ4jsXnzI1NQKACoENscEL YG5nMTAzFCALCgsS8gwBYwBAIEhvdwxkeQqFCoVNYWtlLCBzCHAd4HkIYSBw0HVtcCAEYHUCMAQg XRHAdh3hA3Ad4GsLgGRQIG9mIB4RdBHAbkMd4AWxcnViYgSQINBidXNoC4BnBCAfsB4gILAEkB3g BAAgbGlVAkBsHeB0IlBuIlFyNQBxbQQBaQIgIEJ2aTpiI+B0JGIgsAhgZ2hZImIgZgnwBIEsJhBp tRegdwdAbCaABbF3IoJ+ZR+ABcAeUR7kCYAiwHR0LiATcGwiQRGwBZBr/yXUClADICMAIOEAcCAw AMDvHdYjEAQgKFZ3FQEmgCCxfwVAInQKwB3gI6AFQBcwb98R8CGgI+ApoBIAcyaAKrL/H7IlIAeC HqACQCHxKqEiwF0AgHULYCNwBcAoIUVz+yPQBSApIaASACxQCfAl0/ZjC2AewC8lgC4RKrIyg68R wCRBH0EVAHAEIGEt0e8FQDQQLEMo8VAv0CnNMsNfBCALgCNxJeIqY3MKsGPvKKEIYDURBUBkBpAm IBeg9wIwN1IEkHYHQC6xILAi0f0m4Hkl0yTYJuAfgDVBAxAPAyAhcDijIFFzeW5j8zwxILAgZQDQ JcAtsCKB9yqjLaIuAGM8USUQH5Ie4Gp1EbAuHNxJIGAss2TybweQbicFQDRyJoAoEm8g4CihNNEK wGcxYiFQd38t8DlRJyMvwSBAA6AU8GHlBIFzKPFJJx+BAhAfEHcgMSfSJeJ5PdAR4Cykb95wMlFE 1R6QIJF0OuA/0vs5EANgdySBOMIVESXiPiTHI6AEAAeRPGJpMCAkEbUjQD5AHUMU8EURLBzcHkYX oRzcCvQjADE4MMEC0WktMTQ0DfAM0HNP8wtZMTYKoANgKJBj/QVALVIXCodQywwwUZZN0J0DcDpT HlGWDIIgRxeg5TAgVy3wZHNSv1PNBmAnAjBU/1YLVGgIcHNkmzrQJoBKHxAd4DI2JoAQMTk5N1yw MDo1mRxgQU1Xf1PNVG9ZvyVWCyc5IHlfDcBpQCcFoDCgA3BiLgnwZy5ybyHgby0xkD9hYpBk3HUn XZ9YjiFQalHRX7/3VgscgBUQZTrgKhMeok4f+U8jMzZQlxXCDAFfFzqCswQAQcJxdSMQHeAiJUJx R2BpYyIhoUHiHiFnK0GRKqF5OsEubyA6KX9AliEwEgADYCagAkBCw0c6TVuAQm/gPTAxkGVtxUSS bTrgMi44AyApcb8DYB3QN9E0EAVAMjFrKPGfb3chwELDJYBoQ2V4OeH+bgdAaIgwYiiQRPAgQiXi /E9FcPA3YR3CHqMKhTN0DyzRdMV2FAQgTE9VRP4hRVEfVDeCCHAyZHFxF6D7IlA6wnUe0CNxCoVy wR7Q3wNSRMIFEDARIxAnNUEh4fsh8XqBSDUxbsECIB3gFQB/LhERwDOSItFRkQJgcZA//0CJH7Am gCdwOPMgMCgSQYD/I2IXoAeAHLAowYFwbrIiwM8NsDQQgXB/tD8/HNwJwVcwIEOxV1dnhsNAPTBt 9QzQLgWgbXhWIcAv8SyRgngKhTg2IHhqchT9AlBpaS9qPhvVUZYKhRbBAgCOkAAAAwAQEAAAAAAD ABEQAAAAAEAABzCAMRrsUoK8AUAACDCAMRrsUoK8AR4APQABAAAABQAAAFJFOiAAAAAAAwANNP03 AADwBw== - --Boundary_(ID_E10rC8gA1vnOv5vfeRbW/A)-- ------------------------------ From: Sandy Date: Thu, 26 Jun 1997 10:31:13 -0700 Subject: Re: Holley fuel pump I normally wouldn't say anything but holley pumps are so loud it could ruin the sound of an uncorked motor. They SUCK. ;-) Sandy >The Holley red and blue gerotor pumps are LOUD ! What part >of that don't you understand ??? ------------------------------ From: Formeister@xxx.com Date: Thu, 26 Jun 1997 14:20:45 -0400 (EDT) Subject: Re: CNG Injectors From: adevuo@xxx.it (Antonio De Vuono) In a message dated 97-06-26 10:54:05 EDT, you write: << Could you please send me the address of MSD? Who are they? Are they Bosch distributors? >> Tony, http://www.msdignition.com/ is MSD's web site, I don't think they're Bosch distributors. Good Luck, Frank ------------------------------ From: dima@xxx.edu (Dmitry Samsonov) Date: Thu, 26 Jun 1997 13:53:41 +0600 Subject: Ford Escort 1991 "Check engine" light I own a Ford Escort 1991 with 1.9 l fuel injected engine. It runs fine, except maybe some loss of power especially noticeable in mountains, and somewhat rough idle. But if I drive on the highway at about 60-70 mph "check engine" light comes on. It stays on almost all the time I am on the highway. The car has high (117,000) mileage. I checked the EEC error codes and got 41 (No HEGO switching detected) and 63 (TP (throttle position) sensor below test minimum). After replacement of the oxygen sensor the first error is gone but not the second. Spark plugs and all the filters have been changed recently too. What might have caused this error? Is it nesessary to readjust the throttle position or is it an injector problem? Thanks. Dmitry ------------------------------ From: Brock and Jennifer Fraser Date: Thu, 26 Jun 1997 16:52:27 -0500 Subject: Re: DIY_EFI Digest V2 #216 >What's this motor going into? Does it have to meet current emissions? >Barney Ward It's going into a Porsche 911, being turbocharged, behind a G50 trans. Emissions requirements are not a concern. >I believe the infinity has a separate coil for each cylinder.. >Retaining that will prove a bit of a challenge. No plans to retain ANYTHING on the Infiniti engine that's not the "longblock", cause I don't have anything that's not metal. (Block, heads, manifolds, brackets) >Assuming you are gonna keep the coils you have to use some >glue logic and build up a system similiar to the 2.8,3.1,3.4 >coil pack and fire the coils in waste spark mode. >Mind you where you used to work I would think you know much more >than me.. Well, I was at Hypertech for 2 years and everybody pretty much works on current-model-year stuff, just to keep up the new product development. I didn't touch anything earlier than a 94 model the whole time I was there... Plus, the product is so confined to the computer and its ROM, that a complete understanding of the other vehicle systems on the "test cars" is purely incedental knowledge, unless driven to learn more for special projects or applications (such as this one). Any other info on how the ECM/Coil/HEI Module/distributor system works on TPI-type setups? (Signal inputs and outputs) Also, any good sources in mind to get these GM TPI parts for a low price? Brock ------------------------------ From: "Greg Abarr" Date: Thu, 26 Jun 1997 17:19:39 -0500 Subject: Re: Ford Escort 1991 "Check engine" light Dmitry: Replace the TPS, with as many miles as you have on the motor I am surprised it hasn't fallen apart. Good luck Greg Abarr ------------------------------ From: Jennifer Rose Date: Thu, 26 Jun 1997 18:10:42 -0700 (PDT) Subject: TPI swap Hi Brock and all my $.02 might be able to use "distib" setup similar to v6. Wife's 88 corsica had no mech distrib just coil packs. All electronic - might be able to adapt to your setup. All this would be in GM family and easy to obtain. The v6 was also port injected. Vance ------------------------------ From: Stephen Dubovsky Date: Thu, 26 Jun 1997 21:14:47 -0400 Subject: fuel rail Hello all, finally getting my 84 2.5L jeep cherokee injected DIY-EFI style. The problem I was having was in manufacturing a fuel rail. I bought an old one off a four-banger mustang but of course none of the fittings are in the right place, so I cut it up and was going to use hose to connect all of the peices together. Here's where i might have a better idea. 1/2" copper pipe and fittings will connect all of the pieces together nicely instead of hose. Will there be a problem w/ the fuel and copper/soldering if I fabricate it this way? Im mostly worried about corrosion or some sort of chemical reaction w/ the fuel. I can paint/plate the outside to protect it from the elements. Any thoughts? BTW, it looks like one could flare a copper elbow or T joint to fit over the intake end of the injector instead of buying and butchering a premade rail. Has anyone ever tried this or have a better idea for my next project? Tnx, Stephen Dubovsky ------------------------------ From: "George M. Dailey" Date: Thu, 26 Jun 1997 20:48:29 -0500 (CDT) Subject: Re: GM TPI auto trans -> manual? My 700r4 has a quirk. When I manually shift and hold third gear, I feel what seems to be a light shift, converter clutch I assume. Is this so? Also, is the converter clutch supposed to engage immediately after 4th gear or wait a few seconds before comming in? gmd At 09:54 AM 6/23/97 EDT, you wrote: >My gut feeling is no. I assume that the old automatic was a 700-R4 >with lockup converter. The only info the ECU gets is a switch located >in the tranny (hydralic pressure switch). This switch is nomally closed, >but opens up when the transmission is in 4th gear - this triggers the >converter lockup. > >If it were me, I would try it out and see. Make sure there is a VSS >sensor hooked up. > >- Bruce > > >-- >----------------------------------------------------- ><<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >----------------------------------------------------- > Bruce A. Bowling > Staff Scientist > Thomas Jefferson National Accelerator Facility > 12000 Jefferson Ave - Newport News, VA 23602 > (804) 249-7240 >bowling@xxx.gov/~bowling >----------------------------------------------------- ><<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >----------------------------------------------------- > > George M. Dailey gmd@xxx.com ------------------------------ From: peter paul fenske Date: Thu, 26 Jun 1997 19:36:11 -0700 (PDT) Subject: Re: GM TPI auto trans -> manual? Hi George The fourth gear switch signals a different TPS vs Mph table for TCC control in the ECM. Usually.. I believe the TCC is disengaged during the 3/4 upshift. Depending on TPS it could shift in depending on MPH see table above. Also a certain temp, run and min Mph must be exceeded by TCC is activated.. Have fun you guys:peter At 08:48 PM 6/26/97 -0500, you wrote: >My 700r4 has a quirk. When I manually shift and hold third gear, I feel what >seems to be a light shift, converter clutch I assume. Is this so? Also, is >the converter clutch supposed to engage immediately after 4th gear or wait a >few seconds before comming in? > >gmd >At 09:54 AM 6/23/97 EDT, you wrote: > >>My gut feeling is no. I assume that the old automatic was a 700-R4 >>with lockup converter. The only info the ECU gets is a switch located >>in the tranny (hydralic pressure switch). This switch is nomally closed, >>but opens up when the transmission is in 4th gear - this triggers the >>converter lockup. >> >>If it were me, I would try it out and see. Make sure there is a VSS >>sensor hooked up. >> >>- Bruce >> >> >>-- >>----------------------------------------------------- >><<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>----------------------------------------------------- >> Bruce A. Bowling >> Staff Scientist >> Thomas Jefferson National Accelerator Facility >> 12000 Jefferson Ave - Newport News, VA 23602 >> (804) 249-7240 >>bowling@xxx.gov/~bowling >>----------------------------------------------------- >><<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> >>----------------------------------------------------- >> >> >George M. Dailey >gmd@xxx.com > > ------------------------------ From: James Boughton Date: Thu, 26 Jun 1997 23:01:33 -0400 Subject: RE: fuel rail - ------ =_NextPart_000_01BC8284.E6341C40 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Stephen, Do you know the bore spacing on the 2.5L Jeep engine? I'm not sure if = that engine was a derivative of the 2.2L Chrysler engine or not. I am = pretty sure the 2.2L Chrysler engine and the new 2.0L Chrysler engines = share the same bore spacing of 96mm. If the 2.5L Jeep engine also = shares this bore spacing all you need is a fuel rail from a neon and you = should be set. Jim Boughton boughton@xxx.net Owner - Boughton Engine Systems Technology (B.E.S.T.) - ---------- From: Stephen Dubovsky[SMTP:dubovsky@xxx.edu] Sent: Thursday, June 26, 1997 9:14 PM To: diy_efi@xxx.edu Subject: fuel rail Hello all, finally getting my 84 2.5L jeep cherokee injected DIY-EFI style. The problem I was having was in manufacturing a fuel rail. I bought an old one off a four-banger mustang but of course none of the fittings are in the right place, so I cut it up and was going to use = hose to connect all of the peices together. Here's where i might have a = better idea. 1/2" copper pipe and fittings will connect all of the pieces together nicely instead of hose. Will there be a problem w/ the fuel = and copper/soldering if I fabricate it this way? Im mostly worried about corrosion or some sort of chemical reaction w/ the fuel. I can = paint/plate the outside to protect it from the elements. Any thoughts? BTW, it looks like one could flare a copper elbow or T joint to fit over the intake end of the injector instead of buying and butchering a = premade rail. Has anyone ever tried this or have a better idea for my next = project? Tnx, Stephen Dubovsky - ------ =_NextPart_000_01BC8284.E6341C40 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+IiUDAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAENgAQAAgAAAAIAAgABBJAG AGQBAAABAAAADAAAAAMAADADAAAACwAPDgAAAAACAf8PAQAAAGMAAAAAAAAAgSsfpL6jEBmdbgDd AQ9UAgAAAABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AFNNVFAAZGl5X2VmaUBj b3Vsb21iLmVuZy5vaGlvLXN0YXRlLmVkdQAAHgACMAEAAAAFAAAAU01UUAAAAAAeAAMwAQAAACMA AABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AAADABUMAQAAAAMA/g8GAAAAHgAB MAEAAAAlAAAAJ2RpeV9lZmlAY291bG9tYi5lbmcub2hpby1zdGF0ZS5lZHUnAAAAAAIBCzABAAAA KAAAAFNNVFA6RElZX0VGSUBDT1VMT01CLkVORy5PSElPLVNUQVRFLkVEVQADAAA5AAAAAAsAQDoB AAAAAgH2DwEAAAAEAAAAAAAAA9xNAQiABwAYAAAASVBNLk1pY3Jvc29mdCBNYWlsLk5vdGUAMQgB BIABAA4AAABSRTogZnVlbCByYWlsAGUEAQWAAwAOAAAAzQcGABoAFwABACEABAAxAQEggAMADgAA AM0HBgAaABYAOgAcAAQAZAEBCYABACEAAABFOTdGOTA4ODc1RUVEMDExQTMxMzQ0NDU1MzU0MDAw MADaBgEDkAYAyAYAABIAAAALACMAAAAAAAMAJgAAAAAACwApAAAAAAADADYAAAAAAEAAOQCgjIBr poK8AR4AcAABAAAADgAAAFJFOiBmdWVsIHJhaWwAAAACAXEAAQAAABYAAAABvIKma2+IkH/q7nUR 0KMTREVTVAAAAAAeAB4MAQAAAAUAAABTTVRQAAAAAB4AHwwBAAAAFAAAAGJvdWdodG9uQGJpZ25l dC5uZXQAAwAGEGgVHXoDAAcQ4QQAAB4ACBABAAAAZQAAAFNURVBIRU4sRE9ZT1VLTk9XVEhFQk9S RVNQQUNJTkdPTlRIRTI1TEpFRVBFTkdJTkU/SU1OT1RTVVJFSUZUSEFURU5HSU5FV0FTQURFUklW QVRJVkVPRlRIRTIyTENIUllTTEUAAAAAAgEJEAEAAABYBQAAVAUAACMJAABMWkZ11/A+7f8ACgEP AhUCqAXrAoMAUALyCQIAY2gKwHNldDI3BgAGwwKDMgPFAgBwckJxEeJzdGVtAoMzdwLkBxMCgH0K gAjPCdk78RYPMjU1AoAKgQ2xC2DgbmcxMDMUUAsKFFGdC/JjAEAGABPQcGgJ8AYsCoYBkSBEbyB5 oQhgIGtubwfgdBswpiAG4BYQIHMKsGMLgAxnIAIgHOMyLjVMpCBKCeBwIAnwZwuAAGU/ICBJJ20g exywBUBzCHAdEAaQHOFhIwVAHxQgd2EEIGEguQSBaXYgwCHwHRBvIIJFHlIyHqBDaHITsGzvBJAg 5gWxH+EuH4EhkB/A8xNQEcB0eSAUIq8g5gBw3mQc4x9QB+AecDAmTwQgdnMRgSW0cyTgHR4ggDl4 Nm1tJJIihh6cIZBs/nMcQCmDBCAc8AQAHSwHQL8DIBxiH1AJgCBgIYJmClD9AyByC3ADIANSIZEf UB4BrydiHGIpgAhgbCeAYh1hLRHALgqFCoVKB3AgQvEIYGdodAIgCoUG4DRk8EBiaWcfUCSANfEK hSxPdx9QBcAtNDcgRdchBBOkBCBUBZBoHLAVoAJnJWAoQi5FLlMwLlQuKTMsCvRsaQgxODAC0Wkt MTSeNA3wDNA8AwtZMTYKoOsDYBPQYwVALT4nCoc82+sMMD2mRgNhOj8uPaYb4wsa9RwgdQbgdnNr eYBbU01UUDpkQ3XMQHYkgAmAdV0+zz/dTwZgAjBBD0IbVGgIcHNQZGF5LB6wdSExMkI2SeAxOTk3 K2A6MTwAIFBNRU8/3VRvQ0ePQhtkaXlfDcBpbkAFoDJwA3BiRPAZEC6yby4wby0TwCDAZUTy90tf Rl5DcGo94U1/QhswZ/M6LzszMzY8pxpFPaYfgL5IMIAVoC8ySeA70G4vQa0lYGclMR3CbSVgOEsQ nx5zU6Ae4RFwBJBvawngDSBgblOiL+FESVkt2EVGSQqFE8B5I4Akkf9JYB0QPaECYBPgJLEhYhGA PnYdwiFiC4BbEABwdWb9ANB0CHEvEjBYJJI0yydRfx3wMoECICJSIIAwQQhhLWZiGQEjkW11UOEd 0WL+dQVAInFP0RGhH9Fj0xzi/wqFO9BawyGBIEIeFAUQYxK5C1FjZUngLYEkwGNlsTlnsCB1HvAn YiFiZ2//HcI0kGpgZlEyUBGwCoVrgT0FoG4fUD3xL0IidXBl/mlpcC4BOUARwFwxJJFZcPUWECcE IHdcMSBRWxBo879fwSdBMqECQASQCoVpDbBCYSSRMS8yImYBcPtuAAXAcAUgJ0RnpwPwL1H/bN9e wQiQbjFsN26UH9BuIfdacQuAE8FhY6EggGvyJJE+V3QSbrIdEXCiXuZ3L98c4zBjJ2EKhXJ0Ly2A MoBfBnEd0SBxJMBg4GIFEGPvUQFqMi4jIWB5H3IfwARg+xPAWnF3BbAIgSeAAaAIYP82VgWhA2AA kB4BBbEtgCpB/y2AACBl0xswcBB9ADCRcdD/PfCAcnn5JJN9AAOgCrALgPx0LwtRE9BsNh0Bf3EA kP8NsGtyPaZqQTEDHPIwgBPg5UdRcySRQW4lYBzwNFPEcz8zLEJUV0ngakH/FaBcYAQgO2BccGOz T9JzUf8LYB1RIaBydTCABuAH4AWx/lRbwGsxfWEcQGehHfAiQPdxNhzyhDFhisEJ8HezjrTvU6IF sXdZZaB5LwMncWWhf1wiYUQlEQDADbAKhWH1SPchcoggY8JljhEc4H8DLiN/BbFwe3GjZFFlASVg H1B4j2khA2BToojdVG54G2Z/Qu4zLFbPV989tQqFFTEAAZ8gAwAQEAAAAAADABEQAAAAAEAABzBg kLj8pYK8AUAACDBgkLj8pYK8AR4APQABAAAABQAAAFJFOiAAAAAAPyI= - ------ =_NextPart_000_01BC8284.E6341C40-- ------------------------------ From: James Boughton Date: Thu, 26 Jun 1997 23:07:13 -0400 Subject: RE: Wanted: Rev Limiter - ------ =_NextPart_000_01BC8285.AFD71160 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Paul, I am surprised Mazda did not provide you with a rev limit built into = the ECU with that package. One note of caution about aftermarket rev. = limiters which cut out spark - you may overtemp your catalyst by sending = large quantities of unburned air and fuel down the exhaust. I haven't = personally seen this, but I am used to fuel shutoff type rev. limiters. Jim Boughton boughton@xxx.net Owner - Boughton Engine Systems Technology (B.E.S.T.) - ---------- From: ptimmerm@xxx.GOV] Sent: Monday, June 23, 1997 12:42 PM To: diy_efi@xxx.edu Subject: Wanted: Rev Limiter Can somebody give me a quick tutorial / goto on rev limiters. I broke a vavle spring in my=20 323 GTX this weekend running it up past 7.5 K once too many times. I want to add some safety for my motor. It is a 4 cylinder turbo motor from mazda. paul timmerman - ------ =_NextPart_000_01BC8285.AFD71160 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+Ig8DAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAENgAQAAgAAAAIAAgABBJAG AGQBAAABAAAADAAAAAMAADADAAAACwAPDgAAAAACAf8PAQAAAGMAAAAAAAAAgSsfpL6jEBmdbgDd AQ9UAgAAAABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AFNNVFAAZGl5X2VmaUBj b3Vsb21iLmVuZy5vaGlvLXN0YXRlLmVkdQAAHgACMAEAAAAFAAAAU01UUAAAAAAeAAMwAQAAACMA AABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUuZWR1AAADABUMAQAAAAMA/g8GAAAAHgAB MAEAAAAlAAAAJ2RpeV9lZmlAY291bG9tYi5lbmcub2hpby1zdGF0ZS5lZHUnAAAAAAIBCzABAAAA KAAAAFNNVFA6RElZX0VGSUBDT1VMT01CLkVORy5PSElPLVNUQVRFLkVEVQADAAA5AAAAAAsAQDoB AAAAAgH2DwEAAAAEAAAAAAAAA9xNAQiABwAYAAAASVBNLk1pY3Jvc29mdCBNYWlsLk5vdGUAMQgB BIABABgAAABSRTogV2FudGVkOiBSZXYgTGltaXRlcgDRBwEFgAMADgAAAM0HBgAaABcABwANAAQA IwEBIIADAA4AAADNBwYAGgAXAAMADAAEAB4BAQmAAQAhAAAARUQ3RjkwODg3NUVFRDAxMUEzMTM0 NDQ1NTM1NDAwMDAA5QYBA5AGAHQFAAASAAAACwAjAAAAAAADACYAAAAAAAsAKQAAAAAAAwA2AAAA AABAADkAAKGgNaeCvAEeAHAAAQAAABgAAABSRTogV2FudGVkOiBSZXYgTGltaXRlcgACAXEAAQAA ABYAAAABvIKnNX+IkH/u7nUR0KMTREVTVAAAAAAeAB4MAQAAAAUAAABTTVRQAAAAAB4AHwwBAAAA FAAAAGJvdWdodG9uQGJpZ25ldC5uZXQAAwAGEE9PzQsDAAcQzwIAAB4ACBABAAAAZQAAAFBBVUws SUFNU1VSUFJJU0VETUFaREFESUROT1RQUk9WSURFWU9VV0lUSEFSRVZMSU1JVEJVSUxUSU5UT1RI RUVDVVdJVEhUSEFUUEFDS0FHRU9ORU5PVEVPRkNBVVRJT05BQk8AAAAAAgEJEAEAAAD5AwAA9QMA AEQGAABMWkZ1NAmUhf8ACgEPAhUCqAXrAoMAUALyCQIAY2gKwHNldDI3BgAGwwKDMgPFAgBwckJx EeJzdGVtAoMzdwLkBxMCgH0KgAjPCdk78RYPMjU1AoAKgQ2xC2DgbmcxMDMUUAsKFFEFC/JjAEAg UGF1bAYsCoYBkSBJIGFtfCBzCHATUAQACYAF0GFAemRhIGRpHNBuJm8FQBNQb3YdYGUgSnkIYCAD 8HRoHBAgMRYQdiBsB3AeoCBijnUDEAVAC4B0byAesLEeMEVDVR6EHrBhHbEBANBrYWdlLiAgHE9u HjAdkR4wb2Yg8mMbAHRpAiAcEAbgIvDPHBABgASQAMByaxHAHvKPIeAfQwSQBCB3aGkRcBciwCOB I3JzCrFrIC1rHkMAwHkikHYEkBPRcO8eQgXAItABkGwTsR+QJxB9EbBuHVAZEB8wCsAhwCB8cXUA cCMAIwAHkSKhdf5uH6AEoBzBC3AFwABwHNDGZgpQAyBkb3cDoCBS9GV4EYB1E8Ah4RwAEYD5J0Bu Jx2xJRECIAdAKFDvKMEJ8CBBBAAsH5EFQBwDzyzAHMEgISujc2gi8CKg2SKwdHktwCRsLgqFCoWS SgdwIEIIYGdoICAObgqFI2Ezg0BiaWfvIiAs4DUBCoVPLBAEkCaBfzNWIIAZEAuAHjATpAQgVC0F kGgdkBWgZycQKEIALkUuUy5ULilHMjwK9B9AMTgwAtFp8C0xNDQN8AzQOxMLWVwxNgqgA2AT0GMF QC1fPTcKhzvrDDA8tkYDYTp/Pj48thuzBTAHcAeAI/BACwDAMIB0KpAuSlBMAC5OQVNBLkdPgFZb U01UUDpB//1DCl093z7tBmACMEAfQSvWTQIgHSB5LwBKKpAeMIQyMy8AMTk5N0sgyDI6NBHgUE1G Dz7tnFRvSE9BKx1QeV8NwJxpQAWgGxADcGIuCfDIZy5vJWBvLRPAIUAbIdAJgHVMD0cedWJqdzzx Ti9BK1cp0QmAVJBSnR8RTCTUOT86QzM2O7f3GkU8tgqFQwORLfAHgAbg/mQnEDcQJ0Am4B4wHTAp sJ8lcCZwQsAgIAciIC9b0H0doG8KhSMhHwcx8i0CYtcDYCQwHtF2LVBsHjAmML8FECkhC4Am4CcQ CoUzSvDwIEdUWC6zHoAJ4CQwvStxciqQAwBgogVAdSeggwqwKHE3LjUgS14x/GNlCoUgICAwA4En EEQxmweQLPN3KdEv8mFkHND/W1IcQCOwEcAnEAIQBcBhAXcEYF0BMiZJH+EEIB0wNL0iwHkfQCjw NhFCwHIG4P9oRCuQA2Em4R0RMi0KsBsQ/2WyRGIAcFevWL9ZzwqyFTECAHEwAAAAAwAQEAAAAAAD ABEQAAAAAEAABzBA7jSmpoK8AUAACDBA7jSmpoK8AR4APQABAAAABQAAAFJFOiAAAAAAM4o= - ------ =_NextPart_000_01BC8285.AFD71160-- ------------------------------ From: Ric Rainbolt Date: Fri, 27 Jun 1997 00:41:20 -0500 Subject: Re: Strange parts (was Re: Brakes, again) > ..... Now I need to find a >source for stainless braided line, hopefully a little longer than >stock since I noticed when the truck is jacked up they are stretched >pretty tight. Is there a mail order company that makes them up >custom? > >Also how do you get a roll of stainless 3/16 so you can flare your >own with no couplers etc.? I'd deal with Earl's Competition Plumbing. Their hoses are probably the best in the industry, comparable or even better in some ways than Aeroquip. I'd be VERY cautious about fabricating my own brake lines, as any error in design could be life threatening (not only to you but the poor sap you hit). Earl's makes a variety of applications and even custom fabs lines to spec. The brake lines are then pressure tested to some god-awful pressure (5000 PSI, I think). Best thing is, in most applications, they "bolt-in" right where the stock soft lines are. A set of four runs 80-120 USD. Earl's can be reached at 310-609-1602 and they have many dealers/distributors around the country. Summit Racing carries their stuff, too. Ric Rainbolt ------------------------------ From: Bruno! Date: Fri, 27 Jun 1997 15:50:30 +1000 (EST) Subject: Re: Holley fuel pump On Thu, 26 Jun 1997, Greg Woods wrote: > This isn't quite "on topic" but here goes anyway...:) > I retrofitted a GM TBI system on my 2.8l cherokee last week. > I used a holley external fuel pump instead of the OEM intake pump > and that holley pump is LOUD! I have to turn the stereo way up to > keep from hearing it's whining! Has anyone else had this problem? > If so, what did you do to remedy it? any ideas? anyone?? Hi greg, I fitted a holley fuel pump on my celica not too long ago. Count your blessings you have a stereo: i haven't put mine back in yet! Mine changes pitch with the indicator!! Is this pump running at high pressure? I have it running my solexes, and needed a regulator to stop the resonating the fuel lines. >From what i've been told, these pumps are inherently noisy, and you've either gotta grin and bear it, or find another pump. Enjoy, Bruno. (b.marzano@xxx.au) Early to bed, Early to rise Makes a man or woman miss out on the night life -Morphine ------------------------------ From: John Bertram Date: Thu, 26 Jun 1997 23:25:32 -0700 Subject: LH 2.2 problem solved. Thought I'd follow up to my strange rich running black smoke on decell problem. I finally found it today while changing my oil. The short intercooler hose from the IC to the metal tube that goes to the intake manifold had a hole in it with a little flap door that would close up when not under boost. Since the hole was on the bottom of the hose and was not visible, nor could I feel it when I felt the bottom of the hose, I didn't detect it right away. Today I took a closer look and found it. Since it was late in the day, I wasn't able to get a replacement, I wrapped it in duct tape many times and now everything is working good... I even have about 2 more PSI of boost. Woohoo! Thanks to everyone who had some input on this problem. John Bertram, Technician Garry Small Saab (Turbobricks list Admin.) Volvo Turbo APC project (www.teleport.com/~bertram/volvoapc) '87 Volvo 740 Turbo Sedan '70 Toyota Corona Mk.I ------------------------------ End of DIY_EFI Digest V2 #217 ***************************** To subscribe to DIY_EFI-Digest, send the command: subscribe diy_efi-digest in the body of a message to "Majordomo@xxx. A non-digest (direct mail) version of this list is also available; to subscribe to that instead, replace "diy_efi-digest" in the command above with "diy_efi".