Well the stock rocker arms are stamped...so a roller rocker is far superior to that. The bearings and the whole design is much better. I don't know if you'll get any performance gain from switching to 1.6rr. Besides the benifits of reduced friction and all that good stuff. But the increased ratio of a 1.7 with give you some additional lift.
-Ryan
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89GT,Pro-Bullet 306, H/C/I and a bunch of other stuff. * Sold*
00GT, Vortech S-Trim, Steeda Boost Pipe, C&L intake, Mac off-road H-pipe, Flowmasters, B&M Ripper shifter, Eibach Sportline springs, Koni Struts/shocks, MM full length subframe connectors, Cobra brakes, 3.73's.
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