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Cost to set up Ring and Pinion in an 8 3/4
#475199
09/21/09 10:25 AM
09/21/09 10:25 AM
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Joined: Jan 2003
Posts: 4,288
Danville, NH
Mopar_Mike
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,288
Danville, NH
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I have a 742 case 8 3/4 with 3.91 gears and spool. Ruined my pinion and gears with an improper driveshaft (long story) So since I need a new ring and pinion I want to go to 4.10's What would be an average charge to do the labor
Thanks.
Last edited by Mopar_Mike; 09/21/09 10:52 AM.
RS23L7 4-Speed
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Re: Cost to set up Ring and Pinion in an 8 3/4
[Re: Mopar_Mike]
#475200
09/21/09 10:46 AM
09/21/09 10:46 AM
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Joined: Oct 2008
Posts: 492
South Jersey, NJ
DragDart360
mopar
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mopar
Joined: Oct 2008
Posts: 492
South Jersey, NJ
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I don't think you will find a worthwhile performance change from 3.91 to 4.10
My Sport had performance close to yours and I went from 4.30 to 3.91 to try stopping running out of motor on the top end and noticed no appreciable difference.
70 Dart Swinger, 2850 lbs
SB 408, Bullet roller 264/268 @50 .636 SSDS stage 2 Edelbrock heads, 1 7/8 Headmans, 1050 dominator by Dom, 9.867 @ 133
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Post deleted by Defbob
[Re: DragDart360]
#475202
09/21/09 10:52 AM
09/21/09 10:52 AM
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Anonymous
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Anonymous
Unregistered
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Re: Cost to set up Ring and Pinion in an 8 3/4
[Re: dusturbd340W5]
#475211
09/21/09 09:45 PM
09/21/09 09:45 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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arc chargesd me $100. for a gear swap also on my dana 60, went from 4.10's to 4.30's
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Re: Cost to set up Ring and Pinion in an 8 3/4
#475212
09/21/09 09:56 PM
09/21/09 09:56 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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I gotta have a word with Alan. That's too cheap. Actually, just a gear swap, really isn't an "overhaul". Normally when I do rear setups, they include replacing all bearings, disassembly, inspection and rebuilding of the sure grip, etc. You might expect to pay around 250-300 plus parts for that type of job. If it's busted up, you can spend the better part of 30-40 min getting the housing clean as it needs to be done by hand. I can't fit an axle housing in the jet wash tank.  Just a gear swap(no broken parts), with a spool and the labor time is cut down dramatically. 100-150 is about right.  MB
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Re: Cost to set up Ring and Pinion in an 8 3/4
[Re: HPMike]
#475213
09/21/09 10:37 PM
09/21/09 10:37 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Quote:
I gotta have a word with Alan. That's too cheap.
Actually, just a gear swap, really isn't an "overhaul". Normally when I do rear setups, they include replacing all bearings, disassembly, inspection and rebuilding of the sure grip, etc. You might expect to pay around 250-300 plus parts for that type of job. If it's busted up, you can spend the better part of 30-40 min getting the housing clean as it needs to be done by hand. I can't fit an axle housing in the jet wash tank.
Just a gear swap(no broken parts), with a spool and the labor time is cut down dramatically. 100-150 is about right.
MB
please stay away from alan.
if he talks to you long enough, ill be looking for a new engine builder.
maybe i need to start looking now!! 
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Re: Cost to set up Ring and Pinion in an 8 3/4
#475214
09/21/09 10:52 PM
09/21/09 10:52 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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wow, you guys are really expensive. central auto in upstae N.Y. just did a gear swap on a friends 742 case for 65.00 dollars, complete, out the door.
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Re: Cost to set up Ring and Pinion in an 8 3/4
#475215
09/21/09 10:57 PM
09/21/09 10:57 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
wow, you guys are really expensive. central auto in upstae N.Y. just did a gear swap on a friends 742 case for 65.00 dollars, complete, out the door.
Yes, where houses cost 50 grand and he probably pays $750/mo. rent on his shop.
Actually I wouldn't be surprised if some of these guys that do it real cheap, just pop off the ring gear use the old pinion depth shim and slap it together without checking anything. I could do that for 25 bucks if you want.
MB
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Re: Cost to set up Ring and Pinion in an 8 3/4
#475216
09/21/09 11:01 PM
09/21/09 11:01 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
Quote:
I gotta have a word with Alan. That's too cheap.
Actually, just a gear swap, really isn't an "overhaul". Normally when I do rear setups, they include replacing all bearings, disassembly, inspection and rebuilding of the sure grip, etc. You might expect to pay around 250-300 plus parts for that type of job. If it's busted up, you can spend the better part of 30-40 min getting the housing clean as it needs to be done by hand. I can't fit an axle housing in the jet wash tank.
Just a gear swap(no broken parts), with a spool and the labor time is cut down dramatically. 100-150 is about right.
MB
please stay away from alan.
if he talks to you long enough, ill be looking for a new engine builder.
maybe i need to start looking now!!
Don't worry. We talk all the time. He loves you. You are in capable hands with Alan. 
MB
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Re: Cost to set up Ring and Pinion in an 8 3/4
[Re: rtstreet]
#475218
09/22/09 01:34 AM
09/22/09 01:34 AM
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Joined: Dec 2005
Posts: 11,638
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,638
Fulton County, PA
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Are we talking about someone carrying a center section in the door or are we including disassembling the rear/axles, etc. and pulling the center out?
If the results don't match the theory, change the theory.
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4.30 at least for street and 4.56 for strip
