Quote:
Originally Posted by steve25
If your willing to dump at some point the 3.73 gears then I would build the 4.210" stroke motor since it will complement the port volume of the heads better, IF we are talking about Round port heads.
If these are D port aftermarket heads then even concidering the weight of your car I would go with the 440 build.
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So, if Round ports use the 4.21 stroke crank for the compliment of the ports, As, I only have the round port aftermarket heads...SO,
I was thinking the longer stroke builds a ton of low-end torque and with the lighter 68 Firebird then say a Lemans, GTO, GP, the 4.00 crank may be easier to hook. what compression and cam would you use?