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Author Topic: speedo gear  (Read 529 times)
Arrgorndenethor
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« on: August 18, 2007, 11:35:10 AM »

i put the 23 tooth speedo gear in to correct for the 4:10s but its still atleast 10 mph off, is there something else that needs to be adjusted to get the speedometer to read right?
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David Claflin
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« Reply #1 on: August 18, 2007, 12:10:21 PM »

What gear is on your trans output shaft


http://www.fordracingparts.com/download/charts/142.pdf

Edited so DOT could get his mind out of the gutter LOL
« Last Edit: August 18, 2007, 03:12:58 PM by David Claflin » Logged

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Arrgorndenethor
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« Reply #2 on: August 18, 2007, 02:31:10 PM »

ok that chart did not help me one bit
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Mr. White
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« Reply #3 on: August 18, 2007, 03:02:16 PM »

putput shaft

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David Claflin
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« Reply #4 on: August 18, 2007, 03:11:52 PM »

I got your putput shaft sugarbritches  Wink
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David Claflin
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« Reply #5 on: August 18, 2007, 03:17:24 PM »

ok that chart did not help me one bit
Needs more pictures?? You need a black gear 6 teeth on the output shaft and a black driven gear with 20 teeth on it
20 teeth driven gear C4OZ-A
6 teeth drive gear E3ZZ-B for T5 and if you've got a T45 then you won't be able to get a 6 teeth gear and may have to find other means or live with it being off.
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If an American is to amount to anything he must rely upon himself, and not upon the State; he must take pride in his work, instead of sitting idle to envy the luck of others. He must face life with resolute courage, win victory if he can, and accept defeat if he must, without seeking to place on his fellow man a responsibility which isn't theirs-TR
Arrgorndenethor
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« Reply #6 on: August 18, 2007, 05:39:47 PM »

its a t-45 brother's sent me a white speedo gear that is 23 tooth, and that is what it suppose to be with its a plastic gear
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David Claflin
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« Reply #7 on: August 19, 2007, 01:16:23 PM »

its a t-45 brother's sent me a white speedo gear that is 23 tooth, and that is what it suppose to be with its a plastic gear
I've got one of those, wonder why they didn't list it in the chart?!!? BTW keep checking that every once in awhile, supposedly the teeth are prone to wearing off quickly.
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If an American is to amount to anything he must rely upon himself, and not upon the State; he must take pride in his work, instead of sitting idle to envy the luck of others. He must face life with resolute courage, win victory if he can, and accept defeat if he must, without seeking to place on his fellow man a responsibility which isn't theirs-TR
Arrgorndenethor
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« Reply #8 on: August 20, 2007, 07:53:43 PM »

i just put it in last thursday how can it be worn already?
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BadAndy
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« Reply #9 on: August 20, 2007, 08:20:38 PM »

You would need to change the tailshaft gear.
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Arrgorndenethor
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« Reply #10 on: August 20, 2007, 08:23:02 PM »

hmm how hard is that to change out?
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MFE
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« Reply #11 on: August 20, 2007, 08:25:45 PM »

If you change the driven gear without changing the drive gear in the trans, then the driven gear teeth will be worn off before you get around the block, but it still works fine.   But you still don't have the correct matched set to get your MPH close.  However, 10 off at 120 is a lot different than 10 off at 60, so which is it?
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Arrgorndenethor
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« Reply #12 on: August 20, 2007, 08:26:26 PM »

10 off at 30mph
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David Claflin
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« Reply #13 on: August 24, 2007, 02:38:17 PM »

hmm how hard is that to change out?
Not too bad, trans has to come out, and then pull tailshaft off of trans.
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« Reply #14 on: August 24, 2007, 09:14:38 PM »

10 off at 30mph

You sure? I had 4.10's and never changed the drive gear, only tossed in the new white driven gear. It was only off by about 5 MPH around 50.
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« Reply #15 on: August 25, 2007, 06:14:15 AM »

was that with the t-5 or t-45?
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« Reply #16 on: August 25, 2007, 04:56:13 PM »

Shoulda clarified. T5.
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« Reply #17 on: August 25, 2007, 10:17:58 PM »

yeah this is the t-45 that i have
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