93 z28 tuning questions

[Bruce]

What kind of mods have you made to the engine?.
The LT1 calibration, is VERY good in stock form, just a lil tweaking is
often all that is needed.
On one that I just did, we wound up taking some fuel out and retarding the
WOT timing, the in cruise added some timing.
Your timing needs set for what your engine likes, not what you think it
needs.
Things have changed since the 40s and banging your head against the wall to
run more timing isn't always the answer
Bruce



----- Original Message -----
From: "Kevin Grover" <atvman at rochester.rr.com>
To: <gmecm at diy-efi.org>
Sent: Thursday, August 02, 2001 7:36 PM
Subject: 93 z28 tuning questions


> I'm trying to tune my 93 z28 and was wondering the correct wat to go about
> this.  I have tunercat, and datamaster for bin editing and data loging.
> I've been trying to tune in the volumetric effecency table first and then
> tuning in the PE table. I read somewhere that if you tell it you have a
> smaller injector than you really have the "accerator" pump shot will be
> larger, is this true or do I have it backwards? Also is there a way to
edit
> some of the other things that the tuner cat sofware won't? Also how much
> spark advance are you guys running in the LT1s?  I know the reverse flow
> cooling and aluminum heads let you run more, but how much more?  Thanks.
>
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