Quote:
Originally Posted by MustGoFaster
The turbo version is a single runner length manifold. The NA manifold has a dual runner length that it switches between with a DC motor.
The NA manifold "short runners" are about as long as the TT runners. The long runners are a good 6-8" longer. They are intended to boost TQ at low RPM (below 3K). This should boost TQ with the pulse tuning as well as aid in spool up at low RPM.
I'm not sure how big of a difference it's really going to make, but with the big split on 1st and 2nd gear, there have been a few corners where I was under 3K, but didn't want to shift down and back up. Shifting form 1st at 7K to 2nd brings the RPM down to 4K. Not bad, but drop a little speed of that and the revs get low pretty quick. My 2nd gear is between 2and and 3rd for a DSM or EVO. 80 MPH at 7200rpm. I think the biggest gains I'm going to get as far as low end response is going to be left foot braking, having the throttle open just that little bit seems to help a ton coming out of corners the couple times I've practiced so far.
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Hopefully that will do something for ya. What are you running for turbos?