DIY_EFI Digest Monday, October 25 1999 Volume 04 : Number 601 In this issue: Ford 57 TBird EFI Re: DIY_EFI Digest V4 #600 MAF sensors ECU6 plans and software Bin on FTP site DIY rev limiter GM Northstar/ (NOARCH SBC LT1 stuff for sale)/ LT1 730 controlled? ADMIN: Spam rules Why do you want to convert to Injection? See the end of the digest for information on subscribing to the DIY_EFI or DIY_EFI-Digest mailing lists. ---------------------------------------------------------------------- Date: Sun, 24 Oct 1999 16:39:36 EDT From: Bard382@xxx.com Subject: Ford 57 TBird EFI Hi Folks, I am new to this list and am looking for some ideas. I am currently trying to convert my 57 Tbird 312 Y-Block to EFI using Ford EEC IV MAF system from the Mustang 5.0L. I am in the beginning stages of designing a lower intake to accept injectors and mate to the Ford GT40 upper intake. Any manifold makers out there? Mark ------------------------------ Date: Sun, 24 Oct 1999 16:52:10 EDT From: EFISYSTEMS@xxx.com Subject: Re: DIY_EFI Digest V4 #600 MAF sensors Hi, I am working on that very thing, but it will take me a while to get the transfer function (grams per second vs. voltage)from the early MAF sensor. I have it for the ls1(grams per second vs. frequency) If someone knows someone at Bosch or already has this info, please email me. Thanks - -Carl Summers In a message dated 10/24/99 12:21:54 PM Pacific Daylight Time, DIY_EFI-Digest-Owner@xxx.edu writes: << Date: Sun, 24 Oct 1999 11:21:18 -0700 From: "Mike" Subject: FW: Maf sensors Is it possible to use a lt1 or ls1 MAF sensor with a 88 tpi ECM's? It would seem like a good upgrade if it possible. Mike >> ------------------------------ Date: Sun, 24 Oct 1999 16:23:02 -0700 From: "Al Lipper" Subject: ECU6 plans and software The software for ECU6 is all in the ECU6 ZIP file at http://www.thegrid.net/lipper/efi/index.htm If you (or anyone) is interested in building ECU6, I have one blank PC board for it left (which I will sell for $38 + shipping). I also have one extra 87C51GB CPU (which I'll sell for $20). If anyone who has built an ECU6 is interested, I can ZIP the compiled software for you to experiment with. Good luck. Al > -----Original Message----- > From: cwagner@xxx.net] > Sent: Monday, October 25, 1999 11:16 AM > To: efi@xxx.org > Subject: efi > > > I would like to try and build this ECU 6 system but I don't know > where to start. Also, I don't have any of the programs to work with > the board designs and I don't know how to use the programs. > ------------------------------ Date: Sun, 24 Oct 1999 19:36:07 -0400 From: Shannen Durphey Subject: Bin on FTP site I've placed ARJT7489.bin on the FTP site. It's for a 1991 1/2 ton, 4X4, 350 w/ 700R4 Shannen ------------------------------ Date: Sun, 24 Oct 1999 22:21:55 -0400 From: "Matt Beaubien" Subject: DIY rev limiter Hi all, I have a friend who's trying to get a spec RX7 series running back home, and would like to have a "spec" rev limiter in the interest of reliability. I'm not fully up on the ignition system but there are two distributors (with points), along with a set of leading and trailing plugs. My thought is to kill spark to one set of plugs (vs all of them) to prevent nasty back-fires, while hopefully cutting power. Is there a relatively easy way of doing this? Could a 555 be used to monitor engine speed and then just ground one set of points? Any help would be appreciated. Matt Beaubien ------------------------------ Date: Sun, 24 Oct 1999 22:47:23 -0400 From: Paul Tholey Subject: GM Northstar/ (NOARCH SBC LT1 stuff for sale)/ LT1 730 controlled? The more EFI related content is towards the end. If anyone is annoyed by fluffy stuff scroll down or hit the delete key now. It was only a matter of time. I bought an 87 Mitsubishi Starion about 2.5 ears ago. I knew the head was junk at 68,000 miles but I figured I would just put a SBC in and have fun. Well, I ran across an Olds Aurora 4.0 and thought that might be the ticket. Now the price of the crank (which is why I got it) is over $1000. I can buy a used Northstar 4.6 for $300. Not a bad deal, it just has 2 stripped head bolts. If the block is salvageable, I can just use the Olds starter and other stuff, BUT if it ain't does anyone here know if the cranks will interchange? I know they have a different part number, but they do have the same stroke. I was just wondering if anyone here knew for sure. Now I spent the weekend at my local U-Pull-It. I grabbed some Quad4 stuff for comparison. The fuel rail and injectors line right up. The cool 'tuned header' looking intake lines up, even the bolt holes, but the port tapers down too much for it to simply bolt up to the Northstar. I think I am going to figure out away to put these cool intakes on my buddies Northstar project. In time I will be able to do the physical comparison between my Aurora stuff and his Northstar, but not anytime soon. TOPIC CHANGE I am seeing a bunch of talk on SBC stuff. If it is helpful, I have a bunch of cop car LT1 stuff for sale. I am not an expert on LT1 vs traditional SBC fit, but a deal is a deal. I have a 1996 LT1 for sale for $600; it has everything except the alt, A/C compressor, and electric air pump. The motor has a slight rod knock, I head it run, and the mileage is 71,XXX. I live in the suburbs of Philadelphia, PA. I have a bunch of other LT1 motors that are hurt. Bad blocks, rods, cranks etc. If anyone could use stuff like the injection systems (intake, TB, injectors fuel rail, MAP sensor), iron LT1/Vortec heads, roller lifters and cams, let me know. I am just throwing out stuff off the top of my head. I think the heads and intake together are worth $200. Does anyone even know how much of the LT1 stuff can be easily adapted to a traditional SBC? EFI CONTENT (Finally) I do not currently have a PCM for the LT1 stuff. I was thinking about using a 730 ecm. The only thing I see as an obstacle is the distributor. I know the LT1 sees something like 360 pulses per 360 degree rotation, while the 730 ecm can only read (again, I am going off the top of my head) like 12 pulses per 360 degree rotation. I will have to check my notes on that. I am sorry for the ramblings, but I hope I am not the only one who will benefit from this discussion. Best regards, Paul Tholey ------------------------------ Date: Sun, 24 Oct 1999 22:48:10 -0700 (PDT) From: Orin Eman Subject: ADMIN: Spam rules List rules for spam are to IGNORE IT. The list admins will take care of abuse reports etc.. Please do not waste bandwidth replying to it or complaining to the list. Orin, list admin. ------------------------------ Date: Sat, 23 Oct 1999 19:50:01 +0100 From: Ade + Lamb Chop Subject: Why do you want to convert to Injection? Hi All, Since I have been on this list I have seen a fair amount of people Converting to Efi of some variant or other. Personally I am here to learn about Efi so I don't have to pay some rover dealer large amounts of money when (not if, we are talking about Rover remember) my Fiancee's Mpi Rover Mini Cooper stops working properly. I understand that for the ultimate control over ignition and fuel electronics is the way to go but surely for a road car even if you are going for as much power as you can get is it really worth all that hassle? Surely you cannot gain more than a few Hp or mpg even the emmisions gains cannot be that great can they? So come on guys what important detail have I missed? Personally I don't think I will be converting my mini from a nice SU carb and distributor ignition (electronic points) Unless somebody convices me otherwise. Ade ------------------------------ End of DIY_EFI Digest V4 #601 ***************************** 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".