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Old 10-10-2011, 05:23 PM   #29
5THGENRS
 
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Drives: 2010 IOM 2LT RS, 08 IOM G8 GT, 87ta
Join Date: Dec 2009
Location: Indiana
Posts: 592
did we ever figure out your answer?
a two step is only really used on a turbo car, probably could use it on a sc car but it allows you to have two rev limiters, one with the clutch out and one with the clutch in. so to build boost, instead of redlining it and run the risk of damage and blowing the tires off when you launch, you put a two step in and if you build max boost at 3 grand then you set it at 3,000 so its like a pretend rev limiter so you build max boost and you dont have to watch your gas and hold it at a certain rpm, just floor it and go.
two step is an aftermarket item but with the SS they sorta have that system with the competitive mode.

as to your LT1 comment, my buddy has one and yeah they dont have a rev limiter. but when you hear it tacking out its because its the actual limit on the rotating assembly and it simply cant spin over any faster
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