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Old 05-02-2009, 12:43 AM   #1
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Default tc5 10.5 gearing help

i am running a 10.5 at 34/74. any one comment on this please
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Old 05-03-2009, 09:46 PM   #2
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That's a 5.44 final drive...what exactly do you need to know?
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Old 05-03-2009, 10:34 PM   #3
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How do you know with out knowing his internal ratio? Or is d2 a car? Maybe he wants to know if that is a good FDR for that turn motor. If so, you are in the ball park.

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Old 05-03-2009, 10:47 PM   #4
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if your running a 74 spu / 34 pinion . your FDR is 4.53 ,,

if you can check here www.gearchart.com . remember FDR will change depending on track ( asphalt / carpet ) layout ..

also running a 10.5 about 5.0 final should do just fine ..
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Old 05-03-2009, 11:17 PM   #5
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Quote:
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How do you know with out knowing his internal ratio? Or is d2 a car?

--pakk
Ah DUH.... The title of the thread says "TC5"


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That's a 5.44 final drive...what exactly do you need to know?
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Originally Posted by mb racer View Post
if your running a 74 spu / 34 pinion . your FDR is 4.53 ,,

if you can check here www.gearchart.com . remember FDR will change depending on track ( asphalt / carpet ) layout ..

also running a 10.5 about 5.0 final should do just fine ..
Your both wrong 74/34 in a TC5 is 4.35...

I ran my 10.5's at around 5.2-5.3, but it really depends on the size of the track.
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Old 05-03-2009, 11:23 PM   #6
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TOASTY!!!!
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Old 05-03-2009, 11:38 PM   #7
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Ah DUH.... The title of the thread says "TC5"

whoops! some how missed that.
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Old 05-04-2009, 12:00 AM   #8
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I ran my 10.5's at around 5.2-5.3
Ditto, it also depends on your speedo/profile. Most people I know run shorter gearing with higher profiles - I run profiles 7-8 on my SPX stocks spec. 4.3 is super tall, I would expect your motor to smoke up at that kind of gearing
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Old 05-04-2009, 12:30 AM   #9
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also running a 10.5 about 5.0 final should do just fine ..
what size 48p gears should I use to get a FDR 5.0 (can't veiw that site from my web browser)

(tc5r/10.5)

thanx
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Old 05-04-2009, 12:22 PM   #10
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what if i run that gearing with a 13.5? 34/74 i guess that what i am trying to get at is is this too much for a 13.5? i see that it will be for a 10.5 so that is out
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