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Phrog's Avatar
 
Join Date: Feb 2003
Location: Mt. Lebanon, PA (Pittsburgh)
Posts: 703
915 Gearbox Identification Help

I recently acquired these two gearboxes and I need assistance with identifying them. Any help with details will be appriciated!!
915 63 127411612
915 61 7176861

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Kevin
84 911 Carrera
71 911E Vintage Race Car
25 Ford Explorer ST
20 Subaru Crosstrek
Old 12-16-2003, 11:19 AM
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Join Date: Dec 1999
Location: TX USA
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Kevin,

On the first one ...
Quote:
915 63 127411612
Regarding the 1st trans, is there a gap between the '12' and the 7411612?

If so, it has a factory ZF limited slip differential.

The serial number is only supposed to have seven digits, and:

7 = 6 cyl. engine
4 = 5-speed, USA/Japan
1 = 1981
1612 = sequntial serial number

915/63 is the type number ... meaning the gearsets were:

8:31 ring & pinion
11:35 1st gear
18:32 2nd gear
23:29 3rd gear
26:26 4th gear
28:23 5th gear

2nd trans is '77 model 5-speed 915/61 with:

8:31 ring & pinion
11:35 1st gear
18:33 2nd gear
23:29 3rd gear
26:26 4th gear
28:23 5th gear

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1973 911S Targa ... 'Annie'
1968 340S Barracuda ... 'Rolling Thunder'
Old 12-16-2003, 11:49 AM
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