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Old

Jun 13, 2010 | 06:31 PM

#1

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083 heads

with my new 083 heads would i be able to run my engine to higher rpm's preferably close to 5800? they are stock port size and everything

Old

Jun 13, 2010 | 08:09 PM

#2

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Joined: Oct 2004

Posts: 965

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From: SE, Ohio

Car: '86 Z28, '91 RS

Engine: 305ci, 305ci

Transmission: TH200c (no kidding), TH700r4

Axle/Gears: 2.73, 2.73

Re: 083 heads

What springs do they have installed?

Old

Jun 13, 2010 | 08:58 PM

#3

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Re: 083 heads

they have the stock springs as of now BUT if they will flow the rpms i have a set of manley 22410-16 345 pound springs and am prepared to install screw in studs if need be and have a valve job done before installing with the new cam.

http://www.summitracing.com/parts/MAN-22410-16/

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