Speed Density and a cam
Well if you have a GT-40 intake the only reason to go to a Cobra intake is that it can be ported, If you want a new cam you must convert to Mass-Air, or you will have big driveability problems.
Forget about horsepower figures and concentrate on traction, If you've got stock suspension, no sticky tires and the like, 300 horsepower wont mean anything except on a roll on the highway.
Jay
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Remember...2nd place is 1st place for losers!
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