| Re: [GMCnet] 3.70 FD Install [message #166331] |
Sat, 14 April 2012 13:05  |
KB
Messages: 1262
Registered: September 2009
Karma: 0
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Senior Member |
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> The carrier is the rotating center section that holds the differential side gears, and has the ring gear bolted to it. Hence it 'carries' the differential.
ok, dumb question time: does the final drive have to be removed from
the coach in order to add limited slip? How difficult is the installation?
I'm trying to figure out if it makes more sense to pull the final drive
and take it in to have limited slip added, or bring the whole coach in.
(with a goal of minimizing cost, within reason)
thanks,
Karen
1973 23'
1975 26'
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Karen
1975 26'
San Jose, CA
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| Re: [GMCnet] 3.70 FD Install [message #166333 is a reply to message #166331] |
Sat, 14 April 2012 13:25  |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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| KB wrote on Sat, 14 April 2012 11:05 |
> The carrier is the rotating center section that holds the differential side gears, and has the ring gear bolted to it. Hence it 'carries' the differential.
ok, dumb question time: does the final drive have to be removed from
the coach in order to add limited slip? How difficult is the installation?
I'm trying to figure out if it makes more sense to pull the final drive
and take it in to have limited slip added, or bring the whole coach in.
(with a goal of minimizing cost, within reason)
thanks,
Karen
1973 23'
1975 26'
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Again, I'm not an expert on anything here, but I don't think there is a way to add the limited slip components to the differential carrier without removing the carrier from the housing. Some aftermarket "lunch box lockers" can be added to a carrier in certain conventional drivetrain axles on four wheel drives, without removing the carrier, but most require the ring gear to be removed in order to access the pins that hold the diff gears in place. I suspect the differential needs to be completely dis-assembled to install the limited slip parts. Again, check with Jim K. I don't believe these components are available from any other source anyway.
Theoretically, you could replace the carrier without removing the pinion gear, but you would have to shim the carrier bearings just right, in order to get the backlash correct. Either way, I wouldn't see any way to do this in the vehicle. Bottom line, the FD does need to come out to accomplish this.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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| Re: [GMCnet] 3.70 FD Install [message #166342 is a reply to message #166331] |
Sat, 14 April 2012 19:28 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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I believe Jim will credit you for the original cost of your 3.70 when you exchange for the limited slip.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: [GMCnet] 3.70 FD Install [message #166349 is a reply to message #166331] |
Sat, 14 April 2012 21:17 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Karen,
Simple version - NOT all the details!
1) remove both axles
2) remove passenger side axle extension
3) remove final drive
4) send final drive to Jim K
5) Jim K returns a final drive with the ratio you want and the limited slip
installed
6) install final drive
7) install passenger side axle extension
8) install both axles
Regards,
Rob M.
-----Original Message-----
From: KB
ok, dumb question time: does the final drive have to be removed from
the coach in order to add limited slip? How difficult is the installation?
I'm trying to figure out if it makes more sense to pull the final drive
and take it in to have limited slip added, or bring the whole coach in.
(with a goal of minimizing cost, within reason)
thanks,
Karen
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GMCnet mailing list
Unsubscribe or Change List Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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