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Reproduction 21 Stud heads
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06-26-2013, 10:59 PM
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Ol' Ron
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Join Date: May 2010
Location: Chester Vt
Posts: 8,840
Re: Reproduction 21 Stud heads
Any reproductions would benefit from an increase in compression, something like 7.5 would add a little torque and take advantage of the 87 oct gas for better economy.
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