efi 165

Ward wspoonemore at excite.com
Sat Apr 17 17:23:17 GMT 1999


Well staed Bruce
Ward

On Sat, 17 Apr 1999 10:34:29 -0400, Bruce Plecan wrote:

> 
> ----- Original Message -----
> From: Andrew K. Mattei <amattei at mindspring.com>
> To: <gmecm at efi332.eng.ohio-state.edu>
> Sent: Saturday, April 17, 1999 10:17 AM
> Subject: Re: efi 165
> 
> Don't assume.  TEST, TEST, TEST.
> The engine will tell you what it wants, and do that.  This tuning the
engine
> to what you want is wrong.  Don't tune to run 36 degrees of advance.
Tune
> to what performs best.
>   In "general" the vette AL heads use less total advance, at WOT, and
more
> cruise advance then the iron counterparts.
>   But, before ya do anything get some tools for measuring
performance!!!..
> Overall gearing/tires/chassis weight/tranny type/fuel
> quality(octane)/driving style/EGR/converter design(torque), all play
roles
> in how much timing your engine wants.
>   Also, less is more.....
> Bruce
> 
>  but I'm
> > running the iron headed Camaro version. I'm under the *assumption* that
> > the aluminum heads allow more aggressive timing than with the iron
> > heads. So, I'll take the timing maps from an '89 iron head memcal (the
> > ones that are easy to spot with promedit) and insert them in to the
> > vette calibration, and then start my tweaking from there. My motor will
> > not be stock (heads, cam, exhaust, etc.), but it won't be so far from
> > stock that it won't run...
> > Thanks...
> > -Andrew
> 
> 





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