Well we do not need cam gears - remember cam gears just adjust centerline/overlap. This is what our VVT system does, and its continuously adjustable if you or your tuner knows what hes doing. I'd love to hear what all the forced induction tuners do as well as the canned tunes from vector and pcmforless. There is a lot of exploration to do with the VVT in my opininion before cams are necessary, and cam gears should never be necessary.
A custom grind for more lift is really the only beneficial way to go.
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2008 BRAZEN GXP - 5M Loaded
2006 SLY 2.4 Comfort and Power - TRADED 28-Aug-2008