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Forum: Pontiac - Street 05-18-2022, 09:03 AM
Replies: 28
Views: 3,249
Posted By 25stevem
Even before we talk about converters let’s get...

Even before we talk about converters let’s get the engine to live and not beat itself apart!

The stock valve installed height of 67 and up D port 400 heads heads will not accept .488” ...
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