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Old 03-19-2009, 06:36 PM   #1
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Default NEED HELP GUYS....

hey i got a tc4 electric in the mail today from a member... i put a sidewinder 5700 system in it... it says on the spur gear 88.. the only pinion i can get in there is a 41 tooth??? why is this?? the spur looks small for a 88 tooth? it does not hang out the bottom of the chassis eather whats up?
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Old 03-19-2009, 06:45 PM   #2
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it sound like the spur is to small?
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Old 03-19-2009, 06:50 PM   #3
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guys is a 88 spur and 42 pinion to much for a 5700 system? i never had a tc4 how does that gearing compair to stock?
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Old 03-19-2009, 07:07 PM   #4
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i think its because the gears are 64 pitch.... i need a 48 pitch spur..
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Old 03-19-2009, 08:56 PM   #5
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Stock is a 72 tooth spur in 48p. I am not sure how this translate to a 64 pitch.

Many TC3 and 4 owners use a 69 tooth or 60 tooth spur in 48p to get the gearing high enough.

The pinion will depend on the motor.
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Old 03-19-2009, 09:00 PM   #6
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jd267, do you know what the IDR is for your car? I wanna see if I can help you out.
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Old 03-19-2009, 10:00 PM   #7
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If you can fit an 88 in there, it has to be 64P. I remember running 100/35 64P for stock 27T in my TC3. That was some time ago though.
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Old 03-20-2009, 09:26 AM   #8
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Quote:
Originally Posted by HarryN View Post
jd267, do you know what the IDR is for your car? I wanna see if I can help you out.

TC3/4 is a 2.5 transmission.
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Old 03-20-2009, 10:19 AM   #9
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a little investigation is all you need to do

per castle creations
"For 6 cells NiMH:
Touring car (Associated TC4, Losi XXXS)
Short technical track - 4600 with good gearing range, or 5700 geared very small
Medium track - 5700 large gear range, 6700/6900 good gear range, 7700 geared small
Large track (nitros top out on the straight) 6700/6900 geared high, 7700 good gear range"

per novak a 7.5 [=to a 5700 mamba]
your gearings should be around a "7"

with a 88t spur
you need a 30 or 31t pinion
64 pitch

with 48 pitch you will need to use a smaller spur [72]
and a 24 or 25 pinion

all this information is available on the net

Castle Creations
Novak
Gear Chart.com

Thankx, Bill
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