GM TPI tips for a newbie

[Bruce Plecan]

-----Original Message-----
From: Charles Brooks <cbrooks1 at mail.tqci.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, January 13, 1999 9:04 PM
Subject: Re: GM TPI tips for a newbie

85 ecm 1226870  32K Prom   (MAF)
86-89 1227165    128K Prom  (MAF)   89 version did away with 9th injector
90-92 1227730    256K Prom  (MAP)
The larger the prom the more room for program/switches/tables/settings,
more refinement.  
Bruce


>TPIS says the only difference between the 5.0 and 5.7 TPI motors
>is the chip in the ECU (Same ECU even). If this is true the intake
>should be good for 400HP. I do expect more from this motor but
>I'm willing to give up a little peak HP for a flatter torque curve
>and better gas mileage. If the intake proves to be TOO restrictive
>well, I'll have to cross that bridge when I come to it.
>
>I'm not sure which ECU it is (I haven't taken posession of
>everything yet) but I'm wondering if anyone has any experience
>with the 1985 5.0 Camaro TPI system? If so can you point me
>toward info on it?
>Thanks,
>Charles Brooks