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Old 11-20-2012, 10:45 PM
idontdrivericeieatit idontdrivericeieatit is offline
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You would only need premium gas if you compression was high but with stock 400 you probly have dish pistons and with 64cc head you would not need premium gas you would he able run 87 the head itself either a 350 or a 400 head that you use wont determine what octane gas you need the cc of the head and. Type of piston and the cam you use will
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