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Re: performance
Installing a new cam will require removal. There's no room to get to the front.
Some judicious port work and larger valves wake those heads up nicely.
The 3.4 and some of the late 3.1s have a hydraulic roller cam system in them. Good stuff! Comp will grind you anything you want, for that setup. The catelog grind I recommend would be the 260H. 212/212 @ .050, .445" lift, 110 LSA. The power band listed is 1,000-5,000, but we've found if you install it retarded 4 degrees, it will REALLY pull well to 6,000. That's a "drop-in" flat tappet cam. The roller system requires a "custom" grind.
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