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What casting number should my heads be??

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Old Apr 15, 2002 | 01:36 PM
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Default What casting number should my heads be??

I have a 71 corvette with the base 270 horse motor.

Mark B.
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Old Apr 15, 2002 | 02:11 PM
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Default Re: What casting number should my heads be?? (Sigforty)

Per the Corvette Black Book, 3973487. Same casting number for the base engine and for the LT1. Just different valve sizes.

tom...


[Modified by Tom73, 12:12 PM 4/15/2002]
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