Search results

A very timely thread:) At our last SC SACC meeting, Larry Pearson got up and went over this very topic. I was very interested because my Optima battery just died and needed replacement after only 4 years. He made some very good technical points: 1) the major cause of battery failure in cars...

I swapped the ZZ4 in my C1 and used Rams Horn Manifolds. The folks I bought the ZZ4 from gave me some interesting dyno information for exhaust manifolds. The bottom line is that you lose about 30 hp with the un-ported Rams Heads over a conventional 1 5/8" header set-up - all due to flow issues...