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neilca's Avatar
 
Join Date: Oct 1999
Location: Marietta, GA
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Question 911 gearbox gear ratio's

I have a 911 gearbox that has the following numbers 902/1 and 231406. Can anyone tell me what the gear ratio's are?
Thanks,
neil

Old 11-02-2001, 06:16 AM
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A, F, M, S, X ... when it left the factory 35 years ago!

1st - 11:34 - 3.091
2nd - 18:34 - 1.889
3rd - 22:29 - 1.318
4th - 25:26 - 1.040
5th - 28:24 - 0.857
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Warren Hall
1973 911S Targa
1992 Dodge Dakota 5.2 4X4 parts hauler

[This message has been edited by Early_S_Man (edited 11-02-2001).]
Old 11-02-2001, 08:35 AM
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Warren,
Is this based on the actual seriel number or that is the most common ratio's of this type box?

Thanks for the great info,
neil
Old 11-02-2001, 09:35 AM
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The '902/1' is the designation of one specific 'type-number' or version for the 901-family of transaxles ... and a given 'type-number' only had one set of ratios. The only 'option' was whether or not it had a ZF limited-slip differential.

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Warren Hall
1973 911S Targa
1992 Dodge Dakota 5.2 4X4 parts hauler
Old 11-02-2001, 10:06 AM
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Thanks Warren,
I was hoping you were going to say that. This has several gear ratio's I need. Now I need an "H" or "I" for second.
neil

Old 11-02-2001, 10:13 AM
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