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Old 05-07-2008, 10:49 PM   #6181
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What are you geared...? How old is the GTB?

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is this were you ask questions? if so i bought a gtb and a 3.5 that came in the same package. i can not run the 3.5 with out the speedo thermalling. i have no trouble with the 4.5. is there anything i can do to run the 3.5 like maybe a bigger capacitor.
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Old 05-07-2008, 10:51 PM   #6182
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The back end cap seems to give good consistant temperatures... while it might not be the very hottest part of the motor, most IR temp sensors will read it consistnatly.

I would also try putting a sticker of some sort on the center of the can so you can get good readings off of that as well.

You want to keep temps under 170... 160 if possible!


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Hey I am just installing my new Novak 7.5r (we run 12t/7.5 limit) and just curious as I am about to go start testing and working my gear ratio's where do you measure the temps to keep under the max as I can imagine the solder posts would get hotter than the can etc....

Any help greatly appreciated
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Old 05-07-2008, 11:39 PM   #6183
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Clint, No, you don't count.
That's what I figured... Now it's confirmed
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Old 05-08-2008, 04:07 AM   #6184
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i have been geared every where. i have the older gtb. it is a year year and a half old. there were three of us that bought them at the same time and none of us could get them to run the 3.5.

my 4.5 is geared at 22pinion and 116 spur with a 1.7 internal.
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Old 05-08-2008, 09:25 AM   #6185
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Hi Steve,

Are you running 5 cell or 6 cell?

That gearing for the 4.5 seems a little high unless you're on a pretty large track.

With a 4.5 with the 12.3 mm rotor on 6 cells I generally would gear around a 9.4

With the 13.0 mm rotor on 6 cells I would gear around an 8.5.

If you run 5 cell you're going to have to gear up another two teeth from those starting gearings.

Also there were some gtb's that had "overly sensitive" temperature shut down a while back... it's possible that you and your friends have these older GTBs... if you send them in to me I can check them out and get them upgraded to the latest software version that doesn't have this temperature shut down problem.

Quote:
Originally Posted by xraysteve View Post
i have been geared every where. i have the older gtb. it is a year year and a half old. there were three of us that bought them at the same time and none of us could get them to run the 3.5.

my 4.5 is geared at 22pinion and 116 spur with a 1.7 internal.
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Old 05-08-2008, 09:39 AM   #6186
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Dang Stevo, you are one of the hardest workers for a company that I can think of. Always helping everyone on the boards. I wonder why you would need a break from this in 2 weeks. Enjoy that time off when it comes. See you around.
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Old 05-08-2008, 02:15 PM   #6187
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Hahah!

Thanks Paco!
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Old 05-08-2008, 02:34 PM   #6188
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Hahah!

Thanks Paco!
I'm not impressed........GET BACK TO WORK


See ya in a couple of weeks bro. Have a safe trip down here.
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Old 05-11-2008, 03:13 PM   #6189
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if i send my speedo to novak how long dos it take to get back. i race every sunday.
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Old 05-11-2008, 11:52 PM   #6190
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In house turn-around time is generally 3-5 days.... that doesn't account for shipping time of course.

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if i send my speedo to novak how long dos it take to get back. i race every sunday.
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Old 05-14-2008, 04:27 PM   #6191
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........when we last saw our hero he was towards the bottom of page two holding on to the edge with just his finger tips.....along came STLNLST to save the day


Story telling just isn't the same unless Steve does it
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Old 05-15-2008, 06:08 AM   #6192
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Steve,

Have you seen my baseball?
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Old 05-15-2008, 06:40 AM   #6193
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Steve,

Have you seen my baseball?
Franks and beans, franks and beans
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Old 05-15-2008, 08:57 AM   #6194
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Fred,

I'm sorry, I haven't seen your baseball... but one place people oftentimes over look is in their baseball glove!

Go check it out and let me know if you recover your prized ball!
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Old 05-15-2008, 09:53 PM   #6195
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Steve,

I was looking at ebay for a spare rotor for my 3.5 and came across this bizarre listing on ebay



So the question is, compared to normal rotor. What would be the advantage to having a rotor like that?
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