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915 Trans with limited slip.......
How do I identify a 915 transmission with limited slip? I'm looking on transmission sitting on a pallet and does not know how to check or confirm that it has limited slip as claimed by the seller. What test or identifying mark do I need to verify it? Any help is very much appreciated. Thanks.
Tony |
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05-23-2007, 01:49 PM
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Crotchety Old Bastard
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To be absolutley sure you need to pull the side cover and take a look.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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05-23-2007, 01:59 PM
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Czar of C.R.A.P.
Join Date: Jul 2003
Posts: 2,323
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Check the serial number on the tranny it will have a 12 stamped on it, if it was equiped with limited slip. Jack up the rear and turn one wheel the other side should turn the same direction.
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66 912 Coupe 84 Carrera Cab Hardtop HC3.4 Hyper Carrera 2005 Dodge Magnum 5.7 HEMI Cabriolet Racing And Performance C.R.A.P. Gruppe #1 Put on some C.R.A.P. and drive.... |
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05-23-2007, 02:12 PM
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If it was an oem lsd it will look like this
originally posted by Hayden B. this is a 915/73 w/ lsd as indicated by the 12 after the /73  w/o lsd 
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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05-23-2007, 02:17 PM
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Crotchety Old Bastard
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The trouble is you don't know if the LDS is still in there. It could have been removed long ago.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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05-23-2007, 07:58 PM
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Grab one axle flange and hold it in place while you try to rotate the opposite one. An open diff will turn easily. LSD will be very difficult to turn at different rates / directions.
If it's stamped with a 12, but flanges don't feel stuck to each other, then I'd suggest you open the side cover to take a peak. Like Brian said, diff could have been swapped. Conversely, the case may be stamped as a non-LSD but had a new diff put in.
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1984 Carrera Coupe = love affair 1997 Eagle Talon Tsi = old girlfriend (RIP) 2014 Chrysler 300 AWD Hemi = family car "Lowering the bar with every post!" |
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05-23-2007, 08:08 PM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
1976 Porsche Carrera 3.0
1995 Porsche 993 Carrera Coupe
1984 Porsche Carrera
Eagle Talon TSi AWD
Chrysler 300 AWD Hemi
