11-26-2017, 03:52 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Not a typo.
That’s the difference between LR and MR chamber sizes. Your factory CJ heads and others were around 72-74cc so we have aftermarket heads to replace them. The Pond heads start at 92 and usually are cut to about 86 to match MR chamber sizes. Your TP and some HR heads were also that big. We normally run a flat top or small dish with the Pond heads.
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