749 conversion from 730??

[Jeffrey Scott]

Is the a advantage of using 730 with 749 code?  Working on a FI project myself, was going to use 749 (I need a couple if anybody has some for sale) but maybe I am missing something with the 730/749 setup.


---
Jeffrey Scott  
JWS6367 at mailcity.com
NWSTP founding member (1of2)
ICQ #25436277
92 ty#1295  black/black 
67 Camaro
63 Nova
http://www.geocities.com/baja/dunes/9423






On Thu, 5 Oct 2000 21:10:03   
 Jon Fedock wrote:
>    Hey cool project! I been working on an ALMOST similar project. I am
>using  a '730 running '749 code to run a twin (Chrysler) turboed Trans Am.
>Small world :). Runs (well ran) like a champ with 10 lbs of boost till #6
>piston failed. After it started smoking, boost increased to 15-17 psi even
>with the waste gates open! My guess is that the unburned gas/air/oil mixture
>going into the exhaust (plug would oil foul) produced ALOT of extra energy
>for the turbo(s) while it was burning in the manifold. I guess thats what I
>get for using a $100 junkyard motor as a test <evil laugh> motor. Upon
>inspection, the motor had seen some serious RPMs before I got it (all 8
>exhaust valves had hit!) as all of the pistons had cracked skirts (#6 was
>broken off). I KNOW I didn't over rev it- I didn't have to go over 4500 to
>do what I wanted to do :). Seems most drivers of new 'Vettes think I'm
>number one ;) ;) ;). Go figure. Anyway, I'll be putting the motor back in
>this weekend (new cast pistons). This whole project is to go fast cheap keep
>that in mind if you look at the pictures. Most everything is from the
>junkyard except gaskets and bearings. I also will be MORE than happy to help
>others with any such projects if I am able. I am NOT an expert, just an
>enthusiast havin' a little fun.
>Jon Fedock
>www.GeoCities.com/JonFedock/index.html
>
>----- Original Message -----
>From: <chetwagner at uswest.net>
>To: <gmecm at diy-efi.org>
>Sent: Tuesday, October 03, 2000 7:13 PM
>Subject: 749 conversion
>
>
>> Well, I have finally finished the conversion I have been working on
>> for about a year.  I have taken a 730, not a 749, with the syty code
>> and converted it to work on a 79 Dodge Omni with the 1.7 litre
>> engine.  Nice thing about this engine is that most, if not all of the
>> parts, are interchangeable with VW's.  Even the cylinder head bolts
>> right into place, no mods.  The only part that I had to make was the
>> adapter plate to mount the TB from an 88 Sunbird turbo to the VW
>> intake manifold(the same one from the cis engines).  To make a
>> long story short, I set the computer to 1 bar, tweaked the injector
>> constant to match the injectors (trial and error), messed up the VE
>> tables beyond recognition, and went for a drive.  Let me just say
>> this:  Oh Happy Days, it actually runs, and good at that.  If anyone
>> has any questions, let me see if I can answer them.
>> --------------------------------------------------------------------------
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