Re: 502/502 GM crate -- Lemons Header Message Board

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Subject: Re: 502/502 GM crate

Author:
James C. II

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Date Posted: 05:40:11 05/14/02 Tue
In reply to: James C. 's message, "502/502 GM crate" on 05:42:36 05/13/02 Mon

>We have a 502/502 GM crate, with a performer RPM+950HP
>Holley, bumped up 10.0-1 compression,229/236
>duration-569/587 lift Hyd roller, in a 3600 lb
>chevelle 30 inch tire, 3.89 rear,and the converter
>flashes at 4250 rpm. It runs 10.7/123 mph now. the
>heads are stock GM 502 alum. This is a street legal
>car,but it is mostly raced.Trying different shift
>points, it runs best shifting at 5300. What do you
>think would be the best header combo, with and without
>3.5 inch mufflers. Please, No ground dragging on the
>street.Also, any other help on getting this closer to
>the NINES. WE've thought about a NOS system, any help
>would be nice.

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Replies:

Subject	Author	Date
Re: 502/502 GM crate	janes c.	04:33:22 05/15/02 Wed
Re: 502/502 GM crate -- dan lemons, 05:43:34 05/15/02 Wed