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BIKELAND > FORUMS > ZX-14.com > Thread: Bigger guy gearing help for drag racing NEW TOPIC NEW POLL POST REPLY
dragbikercr


Expert Class
Posts: 197
posted November 17, 2010 05:11 AM        Edited By: dragbikercr on 17 Nov 2010 20:12
Bigger guy gearing help for drag racing

I know this thread has been beaten to death, however everywhere ive read about gearing no one has talked about a setup that is close to mine...

08 ZX14
rider weight 230 suited
power commander
stock exhaust with slip ons
stock engine
wheelbase 64"
fully adjustable lowering links
strapped front end
50 dry shot
air shifter
This is for 1/4 mile racing only, no street.

What is a good rear gear for this setup. Im going to use a 16 tooth front.
Now my problem is I will only be using the dry shot for the oops factor, bad launch, etc.
Do I go a 16/44 ?What happens if I use the dry shot?
Or do I go 16/47or 48? What happens if I use the shot here, run out of gear???
Really could use some input here....
Thanks

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kaw-rick


Pro
Posts: 1167
posted November 17, 2010 05:33 AM        
16=44 or 16=45
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06redzx14


Pro
Posts: 1022
posted November 17, 2010 05:43 AM        
no way you don't run out of gear with anything over a 45. i'm about your size and i've sprayed 40 with 16/45 with no problems
____________
06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot

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osr


Expert Class
Posts: 459
posted November 17, 2010 05:44 AM        
16/48 on motor
I usually go down to 17/47 on an 80 shot and its perfect.

so with a 40 and your al ittle lighter than me i would say 16/45 is good for spray

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osr


Expert Class
Posts: 459
posted November 17, 2010 05:44 AM        
i have a 45t on the shelf if you need.
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kawpower


Zone Head
Mr kawasaki 2 you!
Posts: 887
posted November 17, 2010 06:30 AM        
16-45 perfect and im a big dude.
____________
Cecil County 2010 Motorcycle ET Champ. 9 Wins- 4 RUs .06zx14 turboed for 2012 .

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dragbikercr


Expert Class
Posts: 197
posted November 17, 2010 06:36 AM        
So from what im reading is I shouldnt even bother with 47 or 48 tooth?
Is it safe to say I can get away with 16/45 and use or not use the shot?
If this is the case what are you guys crossing the line at gear and rpm?
What about crossing the line hitting the shot at this gearing?

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dragbikercr


Expert Class
Posts: 197
posted November 17, 2010 06:39 AM        
osr, good condition 45 tooth (send pic?)? What are you looking to get for it? Email me at dragbikeracr@hotmail.com

Thanks

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gilberjj


Needs a job
Friend of Fast
Posts: 3196
posted November 17, 2010 06:40 AM        
I have 16-46 and I've done a lot better with this gearing then 16-43. However, now that I have more experience and I don't rely as much on tall gearing to be my crutch for a bad clutch hand, I know I could have gone faster with 16-44 or 16-45. With an 80 shot, beware of getting too much gear. It will make you slower by not letting you get on the throttle as quickly
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dragbikercr


Expert Class
Posts: 197
posted November 17, 2010 06:59 AM        
Hey gilberjj, the 16 tooth front sprocket you sold me is one of the parts of this puzzle! Trying to get it just right so i dont need to keep buying rear spockets! Thanks for the sale by the way!
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eklipse636


Needs a life
ZX-14
Posts: 6046
posted November 17, 2010 07:18 AM        
Go with at least 16/46. Like you said, your not spraying the whole 1/4 mile. It's not like your goin to pick up 20 mph. You would not run out of gear at 16/46
____________
Best: 60ft 1.351 1/8 5.68 mph 123.98 1/4
8.89 mph 151.32

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06redzx14


Pro
Posts: 1022
posted November 17, 2010 08:12 AM        
16/45 and shave 2 corners off of sprocket bolt if no healer
____________
06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot

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06redzx14


Pro
Posts: 1022
posted November 17, 2010 08:14 AM        Edited By: 06redzx14 on 17 Nov 2010 23:15
Crossed at about 10k on the tach with 40 shot. Top of 5th on motor. Top of 6th on gas
____________
06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot

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eklipse636


Needs a life
ZX-14
Posts: 6046
posted November 17, 2010 10:31 AM        
If you shave 2 corners off your speedo it will be way off. Try one first. I shaved 2 corners off and it says in doing 70mph crossing the finishline.
____________
Best: 60ft 1.351 1/8 5.68 mph 123.98 1/4
8.89 mph 151.32

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dragbikercr


Expert Class
Posts: 197
posted November 17, 2010 09:58 PM        
Sounds like 16/45 will be it. Thanks guys for your input this really helped!
Now I dont have a healer but ive never heard of shaving corners off sprocket bolt??? Could someone give me more input on this?

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06redzx14


Pro
Posts: 1022
posted November 17, 2010 11:20 PM        
shaving the corners off makes the speedo read lower
____________
06 alien head, no flies, PC+hub, 16/45 44 43, air shifter, dry shot

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Halvefast


Zone Head
Posts: 806
posted November 18, 2010 12:12 AM        Edited By: Halvefast on 18 Nov 2010 15:15
Here is what it looks like:

Photobucket
Notice one corner is lower than others, sensor only reads 3 instead of 4 per revolution, makes speedo run slower and keeps you out of the speed limiter. Ride it on the street after, no matter what gearing you are running in 6th gear at 4,000rpm it should read 60mph if it is working right afterwards.
____________
Texas Mile 200.256mph - Oct. 2007 (Update 202.577mph Oct 2008) NOS assisted
ECTA Ohio Mile 195.132mph
TexasMile 2012 199.9 mph all motor!
Streetriders Shootout 2008 series Pro/ET Champ!
Streetriders Shootout 2007 Series Pro/ET Runner-up!

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debo33


Novice Class
Posts: 69
posted February 21, 2013 10:15 AM        
Im currently 275 & im going w 16 44 and wheel base is 64 inches im shoting a 60 dry shoy should thst work or do u guys recommend a bigger sproket kike 46 47 48...
____________
Lonnie Anthony

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debo33


Novice Class
Posts: 69
posted February 21, 2013 10:29 AM        
Im currently 275 & im going w 16 44 and wheel base is 64 inches im shoting a 60 dry shoy should thst work or do u guys recommend a bigger sproket kike 46 47 48...
____________
Lonnie Anthony

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smokinstorm


Zone Head
Old Drag Racer
Posts: 504
posted February 21, 2013 10:31 AM        
Just make sure you're not pulling the front wheel too much with 16-45 gearing. When we were 65" wheelbase the NA14 would climb with Sam (240 suited) on straight motor sometimes even in 2nd gear to the point that he had to ease off the throttle or possibly flip over backwards. That was the only problem as the bike accelerated nicely with the 16-45 but still, it's gone the quickest with the 16-43 gearing because of the ability to go WOT right off the line without wheelie problems. As long as the front wheel stays down, go with the 16-45 or 46 even. Good luck. It should run strong.
____________
2009 Monster Edition ZX14
It's all stock I swear. Well...almost.
2005 Turbo Busa
2001 GSXR 1000
Looking for a 1985 GS1150E

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