1.6rr?
they were only 85lbs NEW.i would definately suggest new springs like the
patriot bee-hives,retainers and locks along with a set of NSA 1.6 roller rockers,GM guide plates and hardened pushrods.
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Most cam grinds anticipate 1.6 rockes as opposed to stock 1.5's.
As far as choices you can just do a set comp cam pro mags, or aluminums, the weight is not an issue. But strength and reliability is.




