The smog legal GT40 lonblock comes with a B303 cam from the factory and is intended for fuel injected use as a swap for a tired FI 5.0 Although Im sure it works great on carbed cars, I have heard this a few times. The X303 cam is too large for my piston to valve clearance. The F cam should clear and I may swap to that one later.
The only reason I purchased the B cam was because I liked that it had 2 more degrees of duration than the smog legal E cam. Typicaly longer duration helps out in the top end where I wanted more power but now that I have done everything I wish I would have gone with the F cam.
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95GT, TFS T.W. heads, Holley Intake, B303 cam, FRPP 30lb injectors, Scorpion 1.6 rollers, 65mm TB, 73mm MAF, BBK Longtubes, Flowmaster cat back, March Pulleys, MSD coil, 9mm wires, Tremec 3550 trans, Pro5.0 shifter,10.5 Motorsport clutch, FMS aluminum driveshaft, weld in subframe connectors. 190lph pump, BBK adj FPR.
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