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pinion number #1657249
08/10/14 11:23 PM
08/10/14 11:23 PM
Joined: Apr 2006
Posts: 330
Indiana
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Crabra Offline OP
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Indiana
I know this has been covered before but I would like you guys to make sure i am right I have 25560r15 tires what speedo pinion should i run pn#2538936 36 tooth red right? I have 355 gears. thanks.

Re: pinion number [Re: Crabra] #1657250
08/10/14 11:27 PM
08/10/14 11:27 PM
Joined: Jan 2003
Posts: 32,978
Grand Prairie,Texas
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Re: pinion number [Re: stumpy] #1657251
08/10/14 11:36 PM
08/10/14 11:36 PM
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Indiana
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Crabra Offline OP
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I was in the tech archive. How do you think I came up with the number.

Re: pinion number [Re: Crabra] #1657252
08/10/14 11:43 PM
08/10/14 11:43 PM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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RapidRobert Offline
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Lincoln Nebraska
post all you want bro there is no limit. I would put a piece of flat stock across one of your rear tires and measure down to the ground for your dia & even better would be to get the dia from "rollout". Out in your parking lot get a rear tire valve stem at 6 o'clock and set a brick on the ground at that point then roll the car forward in a straight line till the stem is back to 6 o'clock then tape measure that distance and divide 3.1416 into your measurement to get the exact dia. Jack the car way up on the DR side to minimize tha amt of fluid you'll lose when you change pinions & dont forget to clock the adapter to the right position to match the teeth number grouping for your pinion teeth count


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Re: pinion number [Re: Crabra] #1657253
08/11/14 01:36 AM
08/11/14 01:36 AM
Joined: Jan 2003
Posts: 32,978
Grand Prairie,Texas
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Quote:

I was in the tech archive. How do you think I came up with the number.



I don't know how you came up with that number you didn't bother to say. I posted that link to help.

Re: pinion number [Re: Crabra] #1657254
08/11/14 03:03 PM
08/11/14 03:03 PM
Joined: Jan 2003
Posts: 25,975
Rio Linda, CA
John_Kunkel Offline
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Rio Linda, CA
255/60r15 tire and 3.55 gears requires a 34 tooth pinion; current P/N is 52068156...green in color.


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Re: pinion number [Re: John_Kunkel] #1657255
08/11/14 11:04 PM
08/11/14 11:04 PM
Joined: Apr 2006
Posts: 330
Indiana
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Crabra Offline OP
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Thank you







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