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Discussion Starter #1
I have a set of AFR315 cnc heads on my 468. I plan to build a 496BBC drag only motor. I was wondering do you guys think I should port them or just buy larger heads.Im looking to get in the 850hp range or whatever it takes to push a 3200lb Malibu into the low 9's on motor.
 

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i dont see why tou cant get 850 with those heads i have a 496 should be around 850-900 hp all motor with brodix bb2 heads.
 

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Dinosaur Mechanic
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1,615 Posts
Probably should sell those worn out AFR's to me cheap and buy some 345's.................just my opinion
 
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