Thread: Head Gasket questions
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  #56  
Old 01-21-2023, 08:23 PM
Dragncar Dragncar is offline
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Join Date: Mar 2004
Location: Humbolt County California
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Quote:
Originally Posted by Kenth View Post
Pontiac started using induction hardened exhaust seats for 1972 V8 engines, making them more resistant to wear

FWIW.
More prone to cracking also.

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