13.75@100mph, 2.21 60', 185/60 street tires
The car really gets to the top of 4th fast, and then falls on its face in 5th. There was a big headwind which IMO was keeping the trap speeds down.
I was also struggling with HORRIBLE wheelhop. It would come on during burnouts, even. I cut a 2.50, then a 2.30, then a 2.21 60ft. I can't give it ANY throttle or boost until the car is totally hooked up, which means I am bogging the shit out of it at the line. Someone suggested going back to stock suspension next time I head out there to get some squat going in the rear. If I go back to the stock suspension, throw the NT-01s on the rear, and get launch control hooked up, it should be able to get to the 60ft in 1.9-2.0 seconds, and run 13.3-13.4 at 103+ with no headwind. |
Why you getting into 5th at 100?
Try slipping the clutch not dropping it. I feel your pain on the wheel hop issue. I'm going to be installing a new rear brace soon and see if that helps, I'll report back. |
6-speed + 4.10s = my 5th is your 4th.
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I didn't catch the 6 speed, I was about to say something about that too. Did you get wheel hop with the NT-01s on? I have found that all of my wheel hop issues were directly related to what tires I was using, but I am running a different suspension setup. I do know that alot of other guys have wheel hop issues no matter what though. Have you played with the settings on the rear dampers?
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Rear dampers set at pretty much full stiff (rebound adjustable only). I think the lack of travel in the rear, combined with the stiff springs (450s), is killing me. This was on 185/60 Falken ZE-912s at 20psi.
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Yeah, I would think you need some softness in the rear, so the weight will transfer to load up the rear suspension.
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I'm still learning too but it seems all about slipping the clutch getting off the line. Burn that baby up!
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i think that tranny/rear combo is killing you, with a 5-speed i bet you're low 13 and 105
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Might be true. Or I'm rolling down the track with another stripped 3rd gear. :D
I just found the timeslip: 60': 2.215 330': 5.838 1/8: 8.860@80.38mph 1000': 11.515 1/4: 13.759@100.32mph |
How about using a lot of clutch-slip and launching in 2nd?
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launching in second sounds like a recipe for fail and or dead clutch.
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i don't know launch control building light boost and 2nd might work out, instead of hopping it might spin and hook
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with the 6 spd and 4.10 gears I'd start in 2nd too. 100 mph is pretty strong for high 13's.
I saw several cars on trailers heading up towards Atlanta Dragway on my way home from work (it's only 2 exits further north up 85 from the exit my house is at). Would be nice to run. But dammit I've got so much to do this weekend, and I need to get started on it tonight. |
Launching in 2nd is not that crazy, if you have a short enough gearing.
My best 0-60mph times were achieved launching in 2nd. The time you loose not having the best torque out of the hole is made up saving the 1-2shift. miatex |
185/60/15 4.10 6spd 2ndgear= 55mph
225/50/15 3.36 5spd 1stgear= 44mph With sticky rubber, I'd never launch it in second... but on your 185's, I think a 2nd gear launch would let you apply more power sooner with less chance of wheelspin. |
Wheelspin was nonexistent. It would just hop the shit out of the wheels.
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do you have upgraded bushings on diff/tranny
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Poly diff bushings, everything else is stock.
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looks good
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I tried launching mine in 2nd today just to see how it would work. At 4500rpm with my tiny little turbo it sit between 7-9psi on the line, then seemed to spin slightly then bog a little. Difference is I am running a 4:3 rear but also I would guess alot less power since I have only had mine going less than a week, still tuning and only running ~10psi through a 1.6L
I think with a little more work on the launch and when I get the ebc hooked up then it should be quite acceptable to launch in 2nd. |
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