Be careful with aftermarket heads! - Pontiac GTO Forum
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post #1 of 2 (permalink) Old 05-11-2018, 09:59 AM Thread Starter
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Be careful with aftermarket heads!

I know some folks are in the middle of or are contemplating engine work. I ran across some videos that you might find useful.

The short version: NEVER buy aftermarket heads that are 'complete' (i.e. already have valves and springs installed) and install them directly without having all the valves and valve job checked first.

Better yet, buy the heads "bare" (no springs or valves) and then have them finished out by a competent machine shop/builder. This way you can be sure that the valves, springs, and other parts are 'the good stuff'.

Here's why:
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post #2 of 2 (permalink) Old 05-11-2018, 11:37 AM
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Thanks, Bear.These were truly enlightening videos. I always thought the "name" heads like AFR, KRE, Edelbrock were good as is. NOT! If I order a set, definitely I'll get Ferrea valves and the springs, retainers, locks from my cam company and have my machinist do it all correctly. Thanks again.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Complete Engine Compartment Discussion

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