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What rpm are you going thru the traps at? If your not close to your max safe rpm. I wouldn't change gears. Just get the front end under control and that bad boy will really be fast. But if your right on the edge I would drop to the 4:30's too. Great Job!!!!
What rpm are you going thru the traps at? If your not close to your max safe rpm. I wouldn't change gears. Just get the front end under control and that bad boy will really be fast. But if your right on the edge I would drop to the 4:30's too. Great Job!!!!
Edit - 4.56 to 4.30 is about a 5% drop. 1.98 to 1.80 is about a 10% drop. If you do both at the same time it would be like dropping to a 3.90 from your 4.56.
Last edited by Darth_V8r; Jul 5, 2020 at 06:47 AM.
If you’re happy with the rpm in the quarter I wouldn’t change gear. It’s going to hurt you all the way down the track.
You mentioned moving the ladder bar that’s really what it needs I think. You gotta get the instant center further out. It won’t plant the tire as hard but it’ll drive out more instead of straight up. It’ll be faster and won’t get you straight up.
If you do need an actual part change I’d look at either the 1.80 first or have your converter adjusted. We took some hit out of ours at the line and gained efficiency at the top end and the car doesn’t get near the bumper anymore but still drives out 60+ foot wheelies when we want it to.
If you’re considering a change to the CID intake definitely do not go to 4.30’s.









