Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - vortec heads on a 406, can it be done on pump gas?
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Old 09-01-2008, 11:19 AM
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it's a 5.7 rod motor & the pistons i'm useing are sealed power L2489F.

how did people get by with double hump heads? i've seen plenty of flat top 406's with double hump heads. i've used 67cc heads before without any issues, but i figured it up at 11.52 with 64cc heads.
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