Quote:
Originally Posted by camaro1
true, but 400hp is at the engine,, the auto cars only dyno 315-320hp at the wheels(manual trans cars dyno 360-380),, look under your car, the auto's have 4 cat converters, and a huge 34" x 11" resonator and 2 mufflers, that along with the trans tune really kill the performance of the auto,, gm was really trying to get fuel mileage from the L99 and auto trans
you want your auto to beat manual trans cars you need to:
1. tune the trans and get a converter
2. get the exhaust to flow
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I would agree.......when my L99 gets here its going in for AR Headers and Exhaust, cai, tune, and maybe a cam......will have to think about the converter.....but if its night to day difference then we may have to add it....