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Old 07-12-2012, 02:57 PM
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Originally Posted by gflentge View Post
Is a hydraulic roller cam.... The seller either doesn't have 0.50" duration or isn't telling.....

And thats why I thought the cam was big....7k with those heads?....sounds like it would run out well below the 7k
I agree... With those heads power is going to go flat at 5500-5800 rpm.

Those heads are just killing what potential the short block has. They would make a good low rpm torque truck motor head, but everything in the 12.5-1 compression short block looks aimed at a 3000-6500+ rpm performance target.
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