Thread: need help with 1969 427 decoding..
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Old 01-09-2007, 07:14 PM
SuperNovaSS SuperNovaSS is offline
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Default Re: need help with 1969 427 decoding..
The suffix code on the front of the intake will tell you. The 390HP has a cast intake, oval port heads and 2 bolt main caps. The 425 has an aluminum intake, holley carb, rectangular port heads and 4 bolt main caps.


Jason
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