one thing i can garantee after market cams effect are the valve springs. You open up the valves more, you also compress the springs more, which for sure decreases the life of them. I am no spring expert, but in the injection mold i run, springs break a lot faster if i compress them more.

kevan

93 rodeo,3.2 manual, limo tint, nice sound system,keyless entry and a killer alarm, drop in K&N, 3 inch DOR lift, 32-11.50 BFG MT's, warn hubs zutah.com wheeler
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