Max lift for double hump heads 155/194 valves

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May 31, 2009 | 10:12 PM

mattmerritt89

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Joined: Feb 2007

Posts: 131

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From: Flowery Branch,Ga

Car: 1987 Camaro

Engine: 350

Transmission: T-56

Axle/Gears: 4.56

Max lift for double hump heads 155/194 valves

I have a set of double hump heads and wanting to Know what is the largest lift I can use with stock springs

May 31, 2009 | 11:11 PM

AlkyIROC

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Joined: Jul 1999

Posts: 17,274

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From: 51°N 114°W, 3500'

Car: 87 IROC L98

Engine: 588 Alcohol BBC

Transmission: Powerglide

Axle/Gears: Ford 9"/31 spline spool/4.86

Re: Max lift for double hump heads 155/194 valves

Typically, .480" is extreme.

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