89 L98 cam swap

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Oct 13, 2002 | 11:54 AM

demon138

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Joined: Jun 2002

Posts: 265

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From: Alice, TX

Car: 89 Pontiac GTA Trans Am

Engine: T.P.I. 383 Stroker

Transmission: Monster 700R4

89 L98 cam swap

i havea L98 and i want to put a zz4 cam with 1.6 roller rockers. i know i need bigger springs but what else? and will there be i big difference in overall power?

Oct 13, 2002 | 01:17 PM

Bort62

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Joined: Oct 2000

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WE just had a big discussion on this,

With stock heads you need to measure for retainer to guide clearance at the resulting 1.6 ration lift.

I think your going o discover something interesting