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Old 01-10-2009, 09:49 AM   #1
Brian f.
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-1/+2 to much for TWS (Texas World Speedway)??

Guys, recieved the new track hoe yeterday from the delivery dock. Im starting to put parts together to get her ready for the season. Im down to sprocket and chain, and trying to figure out the best "general" setup for the track we ride (i dont want to change for different tacks, just keep it simple).

I'd like to go -1/+2, but im worried she'll run out of legs at TWS (Texas World Speedway) with that setup. Is my thinking correct, or do some of you run that setup there and just let it eat in sixth on the bank?

Bike is a 08 GSX-R 750

Thanks for any input, hope to see you guys at the tracks soon
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Old 01-10-2009, 10:17 AM   #2
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I run -1/+2 at TWS (Texas World Speedway).
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Old 01-10-2009, 10:25 AM   #3
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Not sure what your experience is, but the '08 GSXR 750 is the last bike you need to worry about "running out of" anything. They pull like freight trains and have tons of top end.

If you're relatively new to riding the track, stock gearing/ chain works juuuuust fine. If you're racing, you'll have to experiment with gearing to find out what works best for you- each rider is different.

Personally, since you're on a new bike, I'd start off with stock gearing and experiment with gearing after some laps.

Get a couple of rear sprockets; one +2, one -2, same with the front sprocket; one +1, one -1. Those, along with stock gearing, will likely cover you up for all of the tracks to get you started on gearing.

As far as myself, I've been running close to or with stock gearing on my track day bike and our endurance race bike.
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Old 01-10-2009, 10:26 AM   #4
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I'd leave it stock for now...maybe go to a 520 conversion. If anything...go +1 OR -2 for TWS (Texas World Speedway).

-1/+2...I'm guessing you'll be on the rev-limiter by the time you hit the Start/Finish line. Which is fine by me if you are in my class! I like passing 750s on the straights with my 600. I think you are going the wrong direction. This (to me) is more like Oak Hill gearing.

Just my worthless opinion.
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Old 01-10-2009, 10:31 AM   #5
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Thanks for all input folks. Yeah, im just a trackday monkey in intermediate group, just doing this for the enjoyment of it. Might just do the simplest thing and do as i did for my 07 750 street bike, maybe just go -1 and call it a day. Cant get much simpler than that i guess
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Old 01-10-2009, 10:34 AM   #6
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-1/+2 is fine... I ran that on an '06 750, and an '07 600 with a built motor. I run -2/+2 at Oak Hill... this is what a few of my buddies that run mid-40's at TWS (Texas World Speedway) run as well...
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Old 01-10-2009, 10:40 AM   #7
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Quote:
Originally Posted by Brian f. View Post
Thanks for all input folks. Yeah, im just a trackday monkey in intermediate group, just doing this for the enjoyment of it. Might just do the simplest thing and do as i did for my 07 750 street bike, maybe just go -1 and call it a day. Cant get much simpler than that i guess
Man, gearing is one of those things that folks worry and worry about. If you're searching for that extra second or tenth of a second in a race, that's one thing. Getting gearing information from someone running mid-40's or 50's when you're only running 2:00+ isn't going to help in the least unfortunately.

For example, I can run my pace on totally different gearing with similar bikes than someone else- it's just the way I ride.

If you just have to change your gearing, I wouldn't start with the front sprocket, I'd start with the rear.

Seat time is going to be the biggest determining factor for what gearing works for you.
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Old 01-10-2009, 10:50 AM   #8
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I completely agree with what Tom just said.
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Old 01-10-2009, 10:54 AM   #9
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I completely agree with what Tom just said.
Off topic here:
Are you and Tom going to have a team this year?

Back on topic:

Ask Kieth Hertell (ROADandTRACK on here) what gearing he recommends





































No, don't ask him, you seem like a nice guy and I don't want you to be scarred.
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Old 01-10-2009, 12:07 PM   #10
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Just buy some friggin sprockets in 520.

3 fronts and 4 rears and use them all till you like what you get. And dwnld a ratio chart and tape it to your toolbox. Spend a day only messing w/ sprockets. You will learn what they do and will have a huge advantage over the guys that have to ask what sprockets to use. And more importantly, the guys who try to tell you what to use.
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Old 01-10-2009, 12:49 PM   #11
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Stock gearing at TWS (Texas World Speedway). Maybe +1 on the rear if there is a head wind. You want to gear for hitting the rev limiter just as your dropping into Turn 1.
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Old 01-10-2009, 12:59 PM   #12
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Sorry but thats not right, why would you want to hit the RL?

Plus depending on the bike, rider, wind, temp etc, you are still on the gas all the way past the tranny. Even on a 1000. So why make yourself do slower LT's by gearing to hit RL before the tranny. Seems to me that would ADD a second or 2 to ur LT's.
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Old 01-10-2009, 01:30 PM   #13
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Stock gearing at TWS (Texas World Speedway). Maybe +1 on the rear if there is a head wind. You want to gear for hitting the rev limiter just as your dropping into Turn 1.
diggler, seriously, you can hit the rev limiter going into 1 on a stock geared bike? Regardless of the bike 600/750/liter... You must be coming out of 15 hella fast.
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Old 01-10-2009, 01:38 PM   #14
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since you are an intermediate guy....-1/+2 will be okay for any track. , stock gearing will be good for any of the tracks as well.

gearing is the last thing you should be worried about, unless you are stretching for that extra second. just leave the gears that's on the bike now, and ride it like you stole it.
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Old 01-10-2009, 02:17 PM   #15
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diggler, seriously, you can hit the rev limiter going into 1 on a stock geared bike? Regardless of the bike 600/750/liter... You must be coming out of 15 hella fast.
I do too on my GSXR600 and the SV. If I get a really good drive out of 15 it'll bounce off the limiter. Nothing unusual about that at all.

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since you are an intermediate guy....-1/+2 will be okay for any track. , stock gearing will be good for any of the tracks as well.

gearing is the last thing you should be worried about, unless you are stretching for that extra second. just leave the gears that's on the bike now, and ride it like you stole it.
There's an echo in here...
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Old 01-10-2009, 02:40 PM   #16
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I do too on my GSXR600 and the SV. If I get a really good drive out of 15 it'll bounce off the limiter. Nothing unusual about that at all.


There's an echo in here...
I could see it on the SV. After all, it's an SV. Stock geared 600 surprises me a little. A stock geared 750 or liter would shock me.
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Old 01-10-2009, 02:47 PM   #17
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I could see it on the SV. After all, it's an SV. Stock geared 600 surprises me a little. A stock geared 750 or liter would shock me.
Actually, you have to gear the SV for that, stock gearing usually won't do it unless you're on a 1:50- 1:52 pace. Not that I've done those times on the SV with stock gearing, but I've hit the limiter running 56's with stock gearing if I got a really good drive out of the chicane.

What Dirk said was accurate, most folks get a great ballpark gearing if they "gear" for touching the rev limiter at turn in to turn 1 at TWS (Texas World Speedway).

Using that as a rule of thumb, that gearing gets you around the rest of the track where you're not in between gears or run out of gears on the back straight etc.
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Old 01-10-2009, 02:53 PM   #18
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i run -1 at TWS (Texas World Speedway) and -1 + 2 at oak hill and msr
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Old 01-10-2009, 06:13 PM   #19
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Using that as a rule of thumb, that gearing gets you around the rest of the track where you're not in between gears or run out of gears on the back straight etc.

Can turn better LT's w/ taller gearing. If you are hitting the RL, your gonna slow down. And you DONT want slow down till PAST the tranny at TWS (Texas World Speedway). Especially on an SV. So Tom, you could gear a little taller, keep the throttle on, and drop your times by about a second.
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Old 01-10-2009, 06:59 PM   #20
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Can turn better LT's w/ taller gearing. If you are hitting the RL, your gonna slow down. And you DONT want slow down till PAST the tranny at TWS (Texas World Speedway). Especially on an SV. So Tom, you could gear a little taller, keep the throttle on, and drop your times by about a second.
Just so im clear here, when your saying "tranny" ive got to think you guys are meaning the transition, as in off the banking an entering turn 1?


And if so, holy brass thats not my game there ill tell ya that! LOL
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