« Reply #2 on: November 02, 2013 - 10:44:51 PM »
Very good reading. I believe I am suffering muffler restriction as mentioned in the article simply because the engine revs so quick with open headers the tach needle bounces with the up down. Not so when the exhaust is connected.
how big is your exhaust, and how much power does your engine make?
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72 Cuda, owned 25 years. 496, with ported Stage VI heads, .625 in solid roller, 254/258 at .050, 3500 stall, 3.91 rear. 850 Holley DP, Reverse manual valve body.
1999 Trans Am, LS1, heads, cam, headers, stall, etc! Love to surprise the rice rockets with this one. They seem so confident, then it's "what the heck just happened?"
2011 Kawasaki Z1000
