Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 12:36 PM
 Edited By: Phytrax on 8 Nov 2006 13:56
HIGHER Gearing
I was thinking about ADDING 1 tooth to the front and maybe even losing 2 teeth on the back sprocket. I know everyone's doing the opposite, but he's what I'm thinking: I'd like to reduce shifting some, increase gas mileage a little, increase the range of first gear, and correct my speedo w/o a speedo healer. How much is this really going to hurt my quarter mile times anyway??
Does anyone have some comparisons of 1/4 mile times with stock gearing vs. 16/42 or something similar, whatever you guys are running. It seems to me that the longer pull of first gear and reduced shifting would offset most of the gains you would see from lower gearing. Besides that, I don't know if I'll ever find the balance point on my 14 so a longer 1st gear would give more wheelie action, especially once I take my flies out.
Comments? please...
P.S. What is the stock gearing? 17/42?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
   
|
shawnski
Pro
Posts: 1809
|
posted November 08, 2006 12:59 PM
Edited By: shawnski on 8 Nov 2006 13:00
i don't have the 1/4 time but i have 16/42 on mine. about 10 miles error on speed, i tried couple of runs to redline in 1st and second gear. stock tops at 80 in first gear now is 80 miles minus 10 miles for error. same with second gear, stock at 110, now 110 minus 10 miles for error.
but you get there alot faster. 
the rpm has gone up about 600 vs. stock. in sixth gear.
____________
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 01:08 PM
I do realize that you get there quicker, but with Brock Exhaust and flies out, 1st gear is going to be a monster with stock gearing, so why not gear up just a bit to make it more manageable and get a little more mph out of first gear? I should also not that I'm planning on keeping the stock wheelbase and ride height, other than maybe a strap for the track.
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
zerMATT
Pro
Posts: 1931
|
posted November 08, 2006 01:53 PM
I like that idea!
I've been putting off pulling my flies because I don't want to increase the throttle sensitivity that much, but adding a tooth to the front or taking one or two out of the rear just might offset that some. Hmm...
____________
'06 Passion Red ZX-14 | Black D&D Slip-ons | Speedo Healer | V1 | zumo 550 | Heli-Risers | PhantomX
|
shawnski
Pro
Posts: 1809
|
posted November 08, 2006 02:35 PM
quote:
I do realize that you get there quicker, but with Brock Exhaust and flies out, 1st gear is going to be a monster with stock gearing, so why not gear up just a bit to make it more manageable and get a little more mph out of first gear? I should also not that I'm planning on keeping the stock wheelbase and ride height, other than maybe a strap for the track.
i have muzzy c/f, pc 3 usb, no flies, i don't care much about gas mileage,( that is just me), i am starting get use to throttle since change the gearing. second gear no problem, first gear still working on it, can not keep the son of the gun down!
what i am really suprise is no tire spin at all and my rear tire is starting to show its age.
____________
|
Halvefast
Zone Head
Posts: 806
|
posted November 08, 2006 02:42 PM
Ok Here is what I have experienced as for what you are asking:
I dragrace pretty regular (160 passes so far) went to 16/41 gearing.
Got my times down to 10.10 consistently, plus it seemed more manageable,
at stk gearing 17/41 I could do it but not all the time. Mind you this is all bone stk, with me (fatso on it)
I went on a pretty long ride so tried 18/41 to get gas milage and not rack up miles on the speedo. This put the speedo @ actual speed, but didn't give any better fuel mileage.
So while it was set-up like this tried to see if it would help at track. Didn't work at all harder to launch, sluggish all the way thru 1st, best was a few 10.35's. Definitely not the way to go.
All around stk gearing is great if you have pipe and (flies pulled or TR*ee) tons of power everywhere still good mileage as well. If still bone stk. I found -1 16/41 with resistor installed works great, none of the guys I ride with leave me, and I still get better fuel mileage than they do piped w/PC3, about 1/2gal. per tank.
____________
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!
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 02:45 PM
Edited By: Phytrax on 8 Nov 2006 14:56
I don't think you'll ever have tire spin with stock wheelbase on a good surface. More power is just going to make the front wheel come up faster. IMO, any bike that CAN ride a wheelie is going to see VERY little tire spin on a good surface. Ok, I'm sure depending on your weight distribution you could have a situation where leaning forward causes spin and sitting back causes a wheelie.
I'm totally stock and I'm getting a bit of a flat ring around the back tire just from slightly aggressive cruising with 2700 mi on the bike. I only have about 1/8" of tread left in the center.
Halvefast,
Thanks for the info. I would expect the bike to be easier to launch at 17/41 with the flies out than it is to launch bone stock. Stock bike requires a lot of clutch slip to launch hard. How do these 2 scenarios compare? I would expect the speedo to still be off a bit with 17/41, maybe 3%, is that not the case?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
Halvefast
Zone Head
Posts: 806
|
posted November 08, 2006 02:52 PM
Pull your flies or add a resistor and you will definitely see wheel spin!
Count on that, much throttle control needed in 1st, unleash the beast!
____________
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!
|
Bently
Needs a life
2012 14r In Blue and no Mods!
Posts: 5428
|
posted November 08, 2006 03:07 PM
I can spin my back tire at will in 1st.
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 03:17 PM
Ok, so what are you doing to spin the back tire?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
shawnski
Pro
Posts: 1809
|
posted November 08, 2006 03:40 PM
quote:
Ok, so what are you doing to spin the back tire?
hold the front brake and gas it> :P
____________
|
Bently
Needs a life
2012 14r In Blue and no Mods!
Posts: 5428
|
posted November 08, 2006 03:47 PM
All I have to do is roll on the throttle, no front brake needed.
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 04:09 PM
Edited By: Phytrax on 8 Nov 2006 16:10
I figured I could do it with the front brake, but that's not exactly racing conditions (not counting the burnout). Don't see how you could spin it with just the throttle on a good surface, but I'll take your word for it. I can spin it with the throttle in grass, lol.
Anybody try 17 tooth in the front with flies out and performance exhaust?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
WARBIRD
Needs a job
Posts: 2739
|
posted November 08, 2006 04:11 PM
quote:
Ok, so what are you doing to spin the back tire?
It's spinning because he has the fly's out Phytrax ( and probably -1 in the front......don't know for sure )...... LOTS more low end torque.......... 
|
shawnski
Pro
Posts: 1809
|
posted November 08, 2006 04:14 PM
or he could have dunlap tires, they are good only for wheel spin:P
____________
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 04:38 PM
quote:
quote:
Ok, so what are you doing to spin the back tire?
It's spinning because he has the fly's out Phytrax ( and probably -1 in the front......don't know for sure )...... LOTS more low end torque..........
I understand that more torque makes the tire more prone to spin, but in my somewhat limited experience with sport bikes you usually just get a bike that's more wheelie prone with a stock wheelbase, unless there is a traction problem (i.e. bad tires or bad road surface).
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
Bently
Needs a life
2012 14r In Blue and no Mods!
Posts: 5428
|
posted November 08, 2006 04:55 PM
your not using the throttle hard enough if you can't break the rear tire loose rolling along at about 20 mph or leaving from a stop light I can leave black marks for 100 ft easy at any time. And I have stock gearing.
|
fastestbusaaround
Needs a life
I eat Fish...
Posts: 7889
|
posted November 08, 2006 05:20 PM
It's all about the rider Phytrax...Bentley knows how to really whack that throttle...he knows the bike. Little clutch slippage from time to time doesn't hurt either. 
Experienced drag racers usually have better throttle control, because they've been there, done that before on the track and know exactly what to expect in the streets...
You'd be amazed at how much of this is really about the rider and how little the bike has to do with it, seriously. 
____________
FYYFF!!!
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 06:23 PM
20mph, lol. I still have my flies in, if I wack the throttle wide open at 20mph I get a very mild trickle of acceleration. I have to get up to 5000 rpm just to bring the front wheel up in 1st. Gonna have the flies out eventually and see what this thing is really made off.
Anyone else have best run vs best run comparisons with different gearing though?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
1badzx12r
Needs a life
Posts: 8321
|
posted November 08, 2006 06:43 PM
I know brock went 1 tooth up on back to get his 200mph run at maxton...front was stock 17
____________
http://www.youtube.com/watch?v=S06nIz4scvI
|
Phytrax
Zone Head
Posts: 526
|
posted November 08, 2006 06:44 PM
Edited By: Phytrax on 8 Nov 2006 18:47
1 tooth up in the rear would be lower gearing. I think he went 1 tooth Down, no?
I think 18/40 gearing would put the speedo off by 1-2%, can anyone confirm this?
____________
Concourse14- Corbin Seat, Candy Apple Red Paint, Area P Slip-On
RIP+ZX-14- Brock's Gen3, Heli Risers, Corbin Bags, Corbin Seat and Oval Backrest (Burgandy Snakeskin and black alligator), Muzzys Frame Sliders, flies out, 18t front sprocket, PC3, Puig Double Bubble, Pirelli Diablo Strada's
KX450F - kickstand
>>> MySpace --CLICK-- <<<
|
1badzx12r
Needs a life
Posts: 8321
|
posted November 08, 2006 06:49 PM
i know your right +1 would hurt top speed...i read brock info somewhere on gearing but can't find it now
____________
http://www.youtube.com/watch?v=S06nIz4scvI
|
kspz3
Expert Class
Posts: 334
|
posted November 08, 2006 06:50 PM
Edited By: kspz3 on 8 Nov 2006 18:53
17x41 is stock gearing. Mine is set up for land speed racing with 18x40. I practice at the drag strip but soft launch it in order to emulate a launch on untreated pavement with cold tires and high tire preasure. Therefore my ETs are not helpful. Once launched and comfotably set I roll into tthe throttle and it typically will skip the front tire althouh occasionaly the front wheel will float or gently begin to lift. This gearing will produce a three gear pass hitting rev limiter around 148 or so. The 8 percent speedometer error is corrected and the 186 mph limiter will hit a bit north of 200. This gearing is fine for the street allthough a bit tall.
ksp
|
1badzx12r
Needs a life
Posts: 8321
|
posted November 08, 2006 06:50 PM
Twat it was with the 200mph package he's selling but i didn't see it just now
____________
http://www.youtube.com/watch?v=S06nIz4scvI
|
Bently
Needs a life
2012 14r In Blue and no Mods!
Posts: 5428
|
posted November 08, 2006 08:03 PM
Phytrax you would be amazed at the power difference between your bike and a bike with the flies removed and a brock pipe with a brock map. it really makes the bike come alive.
|
|
|
|
|
HOME
NEW TOPIC