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Re: Mods to '85 GM TPI ECM



There is a code patch around for running a two bar map with a 730 too!
Mark
----- Original Message -----
From: "Ludis Langens" <ludis@cruzers.com>
To: <gmecm@diy-efi.org>
Sent: Sunday, June 25, 2000 3:38 PM
Subject: Re: Mods to '85 GM TPI ECM


> Jim and Sharon Brady wrote:
> >
> > But
> > if/when I go with a supercharger I will definately need the 730/MAP.  I
say
> > if because of the cost of a supercharger and when because this motor was
> > built for it: 9.25:1 compression(Al heads), forged pistons, 4 bolt
> > mains...etc.
>
> When you go unnaturally aspirated, you'll either need to go with a
> '6870/'165 and a monster MAF, or a '749 and a two bar MAP using the SyTy
> code.  If you go to the '730, you'll later be able to switch to the '749
> with little trouble.  The '730 and '749 are built on the same circuit
> board, just with different portions populated or empty.
>
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
> --------------------------------------------------------------------------
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