smokinZX14
Needs a life
Posts: 10197
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posted March 19, 2009 01:56 PM
Drag testing 17/40 gears .....
After reading that Brock used 17/40 on his 2006 and on Ricky Gadson Super Street bike I had to give it a shot ... The biggest problem i have with my 09 zx14 at stock wheel base is wheelys in first gear when the flys opened fully ..Brock said he went with 17/40 gears to calm down the wheelys in first gear...With the stock gears i was able to go fast and cut some ok 60 foot times but good runs were far and few between ...Out of 5 runs with stock gears i would get one good run where i didn't wheely .. My wheelys caused me to chop the throttle , backing off the throttle kills any chance of a good pass ...Little wheelys are fine but i'm talking 10:00 Oclockers here ...I was so worried about wheelys i have been holding back the bike in fear of flipping or busting an oil pan ..
JesseJames ordered me up a 40 tooth rear sprocket and i got it installed for Weds night test and tune ...My first pass off the trailer i was still in fear of a wheely so i made a very easy pass 6.20 @ 119 ... Ok no wheely !!! I felt ok it's not going to wheely now so i can get on it a littler harder and see what happens ... Second pass 6.12 @ 121 , much better and still no wheely ...The Front tire is just skipping across the track, front end was very light but no air under the tire .. I made 3 passes all real close 6.12 6.12 6.14 all in the at 121 mph and change ...My 60s got better also 1.55 1.56 and 1.57 ...
Next mod will be a TRE to get the flys open faster ...Now that the wheel is staying down i feel i can use a little more lower end power ..With the flys in place i'm getting a bog and slow rev in the lower RPMs causing my 330 times to be a bit slow ... I would just pull the flys but Super sport class you have to leave them in place , but rules do say a TRE is ok ..
Mods are strapped lowered , Brocks Street Meg , NO P/C , stock air filter , stock tire ..
The bike runs strong for no P/C or tune ..
Smokin ..
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
  
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Shane661
Needs a life
Posts: 11494
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posted March 19, 2009 01:58 PM
You think you may need that pc once you pull the flies?
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smokinZX14
Needs a life
Posts: 10197
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posted March 19, 2009 02:01 PM
quote:
You think you may need that pc once you pull the flies?
Yes for street driving it will run lean 2500 to 3500 ..But for the track i see no reason because i never see that RPM ...When i get up some more money i'm going to try the New PCV with auto tune ..
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Shane661
Needs a life
Posts: 11494
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posted March 19, 2009 02:03 PM
I thought you were launching right in that range?
You've got that thing moving for sure. Next year I am thinking about something 60" or shorter...
Anyway, I see 6.0's in your near future...
What is your goal?
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smokinZX14
Needs a life
Posts: 10197
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posted March 19, 2009 02:10 PM
quote:
I thought you were launching right in that range?
You've got that thing moving for sure. Next year I am thinking about something 60" or shorter...
Anyway, I see 6.0's in your near future...
What is your goal?
I have moved the rpms up to 4000 and the motor is under no load ... So it should be fine ..For the street i will just unplug it .... I ran high 5.90s on my 06 stock wheel base and i'm looking to do the same or better with the 09 , better i hope .. 
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Lucky14
Pro
Posts: 1439
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posted March 19, 2009 03:36 PM
Thanks for a good report!
Question: Can you describe the launch? With this gearing, are you going full throttle on green and sliding the clutch or getting the clutch out quickly and modulating power with throttle, or ??? Clutch all the way out and throttle open where???
My first (and last) time out with 16/41, mine was a unicycle. Any tips are welcome.
Mine is an 08 setup like yours, except I have a PC and Brock's map.
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You only need two tools: WD-40 and Duct Tape.
If it doesn't move and should, use the WD-40.
If it shouldn't move and does, use the duct tape.
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Wheelie
Needs a life
Old Man
Posts: 6902
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posted March 19, 2009 04:37 PM
I have a tip for you Lucky.
Go to a track and practice! if you could race at least once a week for 2 months, you would be running at least 6.20's or better. im going to the Cattle Ranch tomorrow, see ya on the Range.
Cool test Smokin. Keep em coming.
wee
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smokinZX14
Needs a life
Posts: 10197
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posted March 19, 2009 05:13 PM
quote:
Thanks for a good report!
Question: Can you describe the launch? With this gearing, are you going full throttle on green and sliding the clutch or getting the clutch out quickly and modulating power with throttle, or ??? Clutch all the way out and throttle open where???
My first (and last) time out with 16/41, mine was a unicycle. Any tips are welcome.
Mine is an 08 setup like yours, except I have a PC and Brock's map.
Lucky i do the short bike alot different than my long bike ... 4000 stage , slide the clutch and slowly add more power at the same time...Ballance between a bog and slipping the clutch to much ...Seat time is the Key till you build a feel that you can repeat without thinking about it .. On the short bike i'm holding the clutch much longer than my long bike and rolling the throttle on much slower ... Hope that helps ..
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Lucky14
Pro
Posts: 1439
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posted March 19, 2009 06:09 PM
That helps - Thanks!
Note to self: to make 1-2 shift, feet must be on pegs .................
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You only need two tools: WD-40 and Duct Tape.
If it doesn't move and should, use the WD-40.
If it shouldn't move and does, use the duct tape.
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smokinZX14
Needs a life
Posts: 10197
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posted March 19, 2009 06:23 PM
 Edited By: smokinZX14 on 20 Mar 2009 02:24
quote:
That helps - Thanks!
Note to self: to make 1-2 shift, feet must be on pegs .................
Lucky i have the same problem getting my feet back on the pegs ..The last few times on my short bike i keep my left on the peg... Looks a little funny staging the bike that way but it works for me ..I haven't missed 2 gear since i started doing it that way ...
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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Bawls
Needs a job
re-learning to ride
Posts: 2701
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posted March 19, 2009 09:30 PM
good stuff lee... i wonder how well that gearing will work for those of us who are 180+ lbs... i may have to give it a shot after i get used to the pipe. i just don't like to change thigs often because i feel that it keeps me from learning the bike. the good news is that it wasn't a 50 dollar frisbee lol.
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Best 60ft: 1.42
Best 1/8th: 5.97
Best 1/8th MPH: 119
Brockland Police Badge # 001
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ZX14Mike
Zone Head
Posts: 891
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posted March 19, 2009 09:32 PM
Any idea how much wheelbase I would gain from going from 16/42 gearing to 17/45 gearing.............also, would a 120 link chain fit with 17/45 gearing?
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00Busa
Expert Class
Trying to go FASTER !
Posts: 270
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posted March 20, 2009 02:58 AM
Edited By: 00Busa on 20 Mar 2009 10:59
quote:
quote:
That helps - Thanks!
Note to self: to make 1-2 shift, feet must be on pegs .................
Lucky i have the same problem getting my feet back on the pegs ..The last few times on my short bike i keep my left on the peg... Looks a little funny staging the bike that way but it works for me ..I haven't missed 2 gear since i started doing it that way ...
I've been "leaving" that way for years - works for me too.
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'00 Busa / '06 14 /
IT AINT BRAGGING, IF YOU CAN BACK IT UP !
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Beondwacko
Expert Class
Posts: 393
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posted March 20, 2009 06:50 AM
Edited By: Beondwacko on 20 Mar 2009 14:57
I also launch with my left Leg up on the peg. I'll be trying to get some better times tonight if the rain doesn't hamper things. I'd be happy if I get into the high 9's.
I have to get back to the stock gearing someday. The 16/41 combo just makes for a pogo stick of 1-2 gear experience.
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08' Atomic Silver, PCIII, Brocks pipe,BMC, -1, strapped front end
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Nelson Taylor
Zone Head
Posts: 927
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posted March 20, 2009 06:56 AM
Smokin how much would you say the 40t brought the rear wheel back?
Thanks for sharing the results of your test.
Sounds like your going to take a stab at SS?
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Best #'s
1.54
4.03
6.02 @ 121mph
(Stock Wheelbase) 2006 ZX14
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NinjaNick
Needs a job
'08 ZX14 (Blue)
Posts: 4558
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posted March 20, 2009 06:57 AM
Edited By: NinjaNick on 20 Mar 2009 14:58
Ignorant question here but....
Why gear the bike 1 tooth slower than stock? Why slow the bike down?
I figured drag racers would want it to be quicker and drop front teeth and add rear teeth. After 1st gear you still not going to accelerate as fast as say someone at 16/43 or 45.
Will someone explain please?
Thanks.
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Beondwacko
Expert Class
Posts: 393
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posted March 20, 2009 06:59 AM
Edited By: Beondwacko on 20 Mar 2009 15:08
quote:
Ignorant question here but....
Why gear the bike 1 tooth slower than stock? Why slow the bike down?
I figured drag racers would want it to be quicker and drop front teeth and add rear teeth.
Will someone explain please?
Thanks.
Torque control basically to keep the front end down. Most folks will make small changes in gearing incrementaly untill they find just the right balance.
Also, many racers want to cross the finish at the top of a given gear to achieve the fastest mph. If you are crossing the line just before touching the limiter, you may want to make a small change like going down 1 tooth in the rear to drop the revs slightly.
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08' Atomic Silver, PCIII, Brocks pipe,BMC, -1, strapped front end
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smokinZX14
Needs a life
Posts: 10197
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posted March 20, 2009 07:05 AM
quote:
Smokin how much would you say the 40t brought the rear wheel back?
Thanks for sharing the results of your test.
Sounds like your going to take a stab at SS?
Not as much as i wanted ... Maybe a 1/2 inch if that .... I still have allmost an inch i can go back ...
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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smokinZX14
Needs a life
Posts: 10197
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posted March 20, 2009 07:13 AM
quote:
Ignorant question here but....
Why gear the bike 1 tooth slower than stock? Why slow the bike down?
I figured drag racers would want it to be quicker and drop front teeth and add rear teeth. After 1st gear you still not going to accelerate as fast as say someone at 16/43 or 45.
Will someone explain please?
Thanks.
Not a Ignorant question at all .. If you wheely with a 17/41 you will never go fast ... The 17/40 in my case stopped the wheelys just like it did for Brock and Gadson .This extra tooth didn't slow the bike down at all, fact is it ran the same ET and MPH in worse air ...Now if i was doing a roll on race in second gear @ 60 MPH i would use 16/41 because i didn't need to worry about a wheely .. 
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Smokin Performance Cycles..
Tampa Bay , FL .. Brocks Performance Dealer ..
Gen 2 ZX14R Best ET 8.43 , Best MPH 164.95
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BobC
Pro
Posts: 1736
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posted March 20, 2009 08:46 AM
Edited By: BobC on 20 Mar 2009 16:48
Last year I tried 17/40 for quarters on stock wheelbase. I was geared for top speed runs but it was too windy so I decided to try quarters. The 14 is so easy to launch, I was using around 3,500rpm, made sure the motor didn't bog down off the line, kept the revs rising and didn't get any wheelies at all. Best ET was 9.84 and I'm way out of practise.
My take on this is that it must be possible to get lower ET with a lower gear, one that gives max rpm in 4th at the end of the quarter. It will be more difficult but the art is in throttle control.
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Candy Thunder Blue 2006 ZZR1400
Stock wheelbase
Max: 205.4 mph in 1.25 miles
2012 ZZR1400 in Golden Blazed Green
Brock CT Full System. etc
Max: 203.1 in 1 mile (so far)
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bigdtd
Needs a job
Interceptors
Posts: 4209
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posted March 20, 2009 10:00 AM
way to go lee
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2006 Black ZX-14,6 inches over,16/42, flies out,BMC Street Filter,Brock's Street Meg,Brock's Radial Mount Strap,PClll with Race map,Dynojet LCD w/Techmount, ZX-14 fender eliminator,Pilot Power2CTs,Speedohealer,Pazzo Levers,Cox Radiator Guard, Garmin Nuvi 265WT
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smokehouse4444
Zone Head
XX to ZX
Posts: 648
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posted March 20, 2009 07:34 PM
Thanks for the post Lee. With my long legs, it is especially hard to get my feet on the pegs, so I tried it with my left foot up. I received so much crap about it that I just quit trying it. Nice to read that so many reputable folks try it as well. I was going to ask if the roll-ons kinda sucked, so thanks for clearing that up. I'm still trying to get used to the 16t at stock wheelbase, but getting more used to it and dealing with the wheelies a bit better.
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2008 Atomic Silver ZX-14, Brock's this and that, some other stuff, 260 in full gear, powered by Cheese
2005 Ducati 999 with all the goodies
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NinjaNick
Needs a job
'08 ZX14 (Blue)
Posts: 4558
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posted March 20, 2009 10:53 PM
Interesting. Thanks Smokin and Beondwacko. 
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