Correct mapping for Camshafts

[Programmer]

Grumpy,

Thanks again--I did look at those, but was unsure what effect those lower
values would have. Should've read a little more closely <g>...

Lyndon.
-----Original Message-----
From: CSH-HQ <nacelp at jvlnet.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>;
gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: October 26, 1999 7:55 PM
Subject: Re: Correct mapping for Camshafts


>If you run thru the archives, and tuning.doc, tuning .txt, you'll find
where
>I posted some map/rpm  by ve tables for a comp 270
>Grumpy
>
>>Hi guys,
>>
>>Got a guy I'm trying to help out at a neighboring shop. He's got a
customer
>with an
>>AWLB Prom (90 GM 5.7L C15 Truck) and the wrong camshaft.
>>
>>Right now, the guy has put a Comp Cams 280H (.480 Int/exh and 280 degrees
>duration) in his bone stock truck engine, has only 14" vacuum at idle
>(needless to say his truck is really overfueling). Runs like crap till
>around 3000 RPM because of the overfueling. Only other modification on the
>truck is headers and a dual exhaust.
>>
>>What's the plan of attack to correct this, based on differing parameters
in
>the PROM ? I realise this is a 16146299 ECM, and I'm working on an *.ecu
for
>this one right now...but ideas from a 7747 would really help.
>>
>>Thanks--I'd appreciate straight answers and not things like "he chose the
>wrong camshaft" <g>. I'll at least admit I'm not sure how to reduce fuel
vs.
>MAP.
>>
>>Lyndon.
>>
>