DIY_EFI Digest Sunday, October 17 1999 Volume 04 : Number 585 In this issue: Re: DIY_EFI Digest V4 #584 EFI for 71 vette See the end of the digest for information on subscribing to the DIY_EFI or DIY_EFI-Digest mailing lists. ---------------------------------------------------------------------- Date: Sat, 16 Oct 1999 16:31:33 -0500 From: nacelp@xxx.com (CSH-HQ) Subject: Re: DIY_EFI Digest V4 #584 >> From: nacelp@xxx.com (CSH-HQ) >> Subject: Re: DIY_EFI Digest V4 #582 > >good to see you back in action Bruce >when do you get out of the shop? Have to spend a week, in a half way house (remot building from hospital). Doc mentioned moving over there this next week. I have a biopsy due thurs. so alot hangs on that for when I go home. Also, have to have a family member here for 4-5 days to learn the meds, and life style changes. BTW, staples and stitches came out today >> >> Has anyine seen any four strokes other then the Mercedes v-6 sedan car using >> an expansion chamber (s), like a 2 stroke. >> Any thoughts on why this might really be worthwhile, or just a cosmetic >> gimmick. Would have thought other teams would be working with it by now if >> it made a hill of beans difference... > > >it may allow for a more radical ex cam pattern without any torque loss Sound like something for a SBC.... Thanks Grumpy > >Clive ------------------------------ Date: Sat, 16 Oct 1999 19:39:08 -0700 From: "Carl Summers" Subject: EFI for 71 vette Hi Doug, There are some really nice units out there but I still haven't seen anything I like(under $5000.00) better than a GM computer for a daily driver,,,it offers you closed loop for better gas mileage, spark knock control and even checks for octane upon start up to just name a few.....the downside is without software to make the job easier you have to do a bunch of work in hex once you locate the tables..(the breakdown of the 7730 is completely available) Use any manifold you want, get the correct size injectors(we can help with that) Use a Gm distibutor and sensors,,,,you can buy an eprom burner and erasure cheap on ebay( http://www.ebay.com ) do a search under eprom....I will go into further detail on how to do this job if you are interested...I am currently doing a 68 camaro with a 396 multi port(my own, basically a tunnel ram and a custom plenum) and am even having the GM 7730 control the fuel enrichment and spark table for the nitrous(still working on that but close) This car should run 11's without nitrous and 10's with(traction a factor)......ttyl - -Carl Summers p.s. you can do this very reasonable and have an awesome RELIABLE system.....check the aftermarkets failure rate....then think again about using a proven GM system...... > > In a message dated 10/16/99 12:22:12 PM Pacific Daylight Time, > DIY_EFI-Digest-Owner@xxx.edu writes: > > << Date: Sat, 16 Oct 1999 12:50:47 -0600 > From: bearbvd@xxx.net (Greg Hermann) > Subject: Re: DIY_EFI Digest V4 #583 > > >Date: Fri, 15 Oct 1999 14:44:16 -0700 > >From: Doug Dayson > >Subject: Intro and SB Chev Recommendations... > > > >Hello all...my name is Doug Dayson...I live in the San > Francisco Bay Area in > >CA...I'm a musician/audio engineer/producer and software engineer by > trade... > > > >I'm currently researching converting my modified 71 Corvette Coupe to > >EFI...mostly because I run around with a club of people with > newer Vettes > >that are > >injected and when we get into higher altitudes I can't compete > w/o rejetting > >(which is a hassle) so... > > > Hi Doug-- > > Hopefully Tom Sharpe will chime in here, he has done a bunch of Chebbies. > So has Carl Summers. > > My $.02-- > > Of the systems you have named, FP is far and away the class of the group. > Another one in the same price/performance class is the Autronics unit > (www.turbofast.com)--which uses the 68332 processor. > > One possible dealer for the FP unit is Jack Cotton, who can be > found on the > gnttype (Buick) list (www.gnttype.org). I think he sells them pretty > reasonably. > > The wide band O2 option is WELL worth having--mebbe Gar will > chime in here, > there may be a diy WBO2 unit available through this list fairly > soon. Do a > word search on EGOR in the archives for some INTERESTING reading on this > subject! > > As for the manifold--you might check out Force EFI besides the ones you > mentioned. > > Regards, Greg > >> > > ------------------------------ End of DIY_EFI Digest V4 #585 ***************************** 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".