Re: 2.8v6 tpi and a 730

["Tim De Coster" <craz1@softhome.net>]

Well... where there is a will, there is a way.  There's a guy on the v6jbody
list with a turbo 3.1, and he's using the iron heads with headers...

Tim De Coster
'89 Z24 Conv.
'88 Sunbird GT Conv.
'98 Intrepid
www.sunbirdconvertible.com


----- Original Message -----
From: "Ludis Langens" <ludis@cruzers.com>
To: <gmecm@diy-efi.org>
Sent: Tuesday, July 18, 2000 7:07 PM
Subject: Re: 2.8v6 tpi and a 730


> Ernst denBroeder wrote:
> >
> > I'm not interested in putting DIS on this engine.  I just want to use
the
> > '730 the way it is used on a V8 tpi but with two less holes in the
engine
> > block.  :)
> >
> > I'm assuming here that a v6 2.8 DIS memcal can be reprogrammed with
AUJP(?)
> > and edited to work with 6 cyclinders (kinda like how a 350 '747 tbi bin
can
> > be made to run on a v6 by only changing the # cyclinders).
>
> Which V6 MPFI intakes did you get?  I assume you got the Gen I because
> the Gen II's won't mate to the iron heads.  (The aluminum Gen II heads
> have a different shape.)  Your TBI engine has the iron heads.  There are
> actually also two versions of the iron heads - small valve and big
> valve.  Low output carb engines have small valves, MPFIs have the big
> valves, I don't know which size your TBI has.
>
> Gen I MPFIs use a dizzy.  You might be better off converting to a
> complete Gen I (C3 ECM) system rather than trying to rig a '730.  For
> Gen I, your ECM choices are the 1226870 ('85) and 1227302 ('86-'89) if
> you want to use MAF.  If you want MAP, use a 1226869 or 1227170.  For
> the former pair, you could start with a stock Camaro calibration, the
> latter, a Fiero cal.  TK's GMEPro supports the latter.
>
> If you examine GM's 2.8 MPFI engine lineup in the late '80's, you'll
> notice that the higher output applications retained the iron head Gen I
> design.  This is despite the theoretically better canted valves of the
> aluminum Gen II heads.
>
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
>
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