psycho1122
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posted April 23, 2003 06:57 AM
Best Dragstrip Gearing w/ 1270 Kit.
I would like to have a nice simple...USEABLE gearing set up for use with stock wheelbase and lowered suspention.
200 h.p. and 112 ft.lbs. is part of the "Useable".
THX to anyone who responds.
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kawachan
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Posts: 1031
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posted April 23, 2003 07:00 AM
17/46 is what I use. Ninjafreek with his 1290 uses the same. I mean to try different gearing one night, but that worked better than 17/48 for sure. Seems like the extra hp/torque you have doesn't require all that crazy gearing.
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your car is slow
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posted April 23, 2003 07:15 AM
16/44 gives you the most wheelbase with a stock arm.
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BA
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posted April 23, 2003 08:58 AM
(and he mean to say it's the same final-ratio as the 17/46)  lol!
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kcadby
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posted April 23, 2003 01:07 PM
I'm pretty silly...I think I'd run 17/50 
NEVER get wide open in first though...(the throttle DOES work both ways ) it would be a challenge for sure...
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Zhooligan
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posted April 23, 2003 01:13 PM
Do you think it might wheelie?
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TedG
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posted April 23, 2003 01:56 PM
Me, only having limited experience drag racing would pick a higher ratio. So that my target speed was at the end of the meat of 3rd or 4th gear. If it would pull first and only have to shift twice, all the better. If not then do it for 4th.
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Ted
2000 Green ZX12 sold
The fast color!!
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kcadby
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Posts: 1733
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posted April 23, 2003 05:02 PM
You'd be surprised Ted...
We have had nothing but good luck/experience with gearing for a 5th gear 1/4-mile...
Once you get the launch figured out the short gearing helps the 330ft times and the best part about it for us is...it's geared PERFECT for the 1/8 like this (17/51)...JUST tagging the limiter in 3rd at the end of the 1/8 mile at 122+MPH
The other thing is...even if the motor IS larger than stock...I would still go for 5th because it would have to be geared a bit taller for the extra MPH the built motor will run (that's why I said 17/50)
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psycho1122
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posted April 23, 2003 09:27 PM
Great Info and opinions Gentlemen!!
THX!
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TedG
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posted April 25, 2003 07:06 AM
Kcadby, I believe you from everything I have read, and all the people who have had good luck with lower gearing. It just sems to me that with a motor as powerful as the 12, one would think that the higher gearing scheme would work, it wouldn't want to wheelie, there would be less shifting, and at rhe end you would be pulling longer in the final gear. But I suspect the clutch is not up to the task, even with a billit basket and all there just isnt enough surface area to handle all that power with the tall gearing. Not to mention the strain on the soft parts.
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Ted
2000 Green ZX12 sold
The fast color!!
Green 2005 ZX10R
2009 Concours Black ABS
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kcadby
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posted April 25, 2003 05:07 PM
Basket would be fine...it's the steel plates that "take the heat" that in-turn kills the fibres...
The bike would FOR SURE be easier for the Average Joe to ride with taller gearing though
John has gotten VERY good at riding/racing his bike now...STILL not in the low 1.50 60FTs (even with the 17/51) but...he has been 9.48 a few times now (including this past Wed. night)... He weighs about 200 BEFORE suiting up...
He runs 6.20s pretty consitently in the 1/8 also...
After reviewing your original question psycho...I'd recomend the 4th gear gearing for your stock WheelBase...
Crap...I don't have my gearing list on this computer...I'll post again Sat. ...
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BA
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Posts: 1592
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posted April 26, 2003 07:17 PM
and that would mean 16/44 or 17/46, take your pick.
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