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10-11-2004, 11:21 AM
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#1 |
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Senior Member
 
Join Date: Dec 2003
Location: Pampa, Texas
Posts: 1,554
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Wanted: a posi unit..
I am looking for a posi unit and some 3.73's for a 12 bolt truck rear end. does anyone know how much it costs to rebuild a posi unit new clutches ect...?
thanks
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https://www.ebay.com/itm/295742064443 |
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10-11-2004, 11:28 AM
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#2 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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My truck already had 3:73's. I bought my Eaton posi from www.tomsdifferentials.com for $280.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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10-12-2004, 11:51 PM
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#3 | |
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Senior Member
Join Date: Jan 2004
Location: Harvest, AL
Posts: 545
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Quote:
So you can simply make your current rear end into a posi by buying the posi unit? |
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10-13-2004, 10:01 PM
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#4 |
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Join Date: Dec 1999
Location: Eastern - Manitoba Canada, Winnipeg
Posts: 4,369
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yah you could...but if you want 373 or 307 gears the posi carriers are different.
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Senior active founding member. 70 3/4 ton GMC Suburban 4x4 250/4 spd. 71 1/2 ton Suburban Chevy 4x4, 350/350 72 Chev 1 ton tow truck 402BB w/Holmes 440 wrecker on propane 2005 FLSTSCI Harley Springer 85 FXSB Harley Lowrider 72 Triumph 650 Bonneville 5spd "Poor people don't have hobbies" Quote from wife. |
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10-13-2004, 11:16 PM
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#5 |
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67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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Like Rod said, you have to decide what gears you want/have and then buy a 3 series or 4 series.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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10-14-2004, 09:29 AM
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#6 | |
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Senior Member
Join Date: Dec 2001
Location: Redding,CA...USA
Posts: 4,736
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Quote:
buy the whole unit.....I just went through it..new springs ,clutches, spider gears..parts 240 bucks..labor ..230 bucks.....can you say ouch
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It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA |
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10-14-2004, 10:16 AM
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#7 |
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Chevy Freak
Join Date: Sep 2002
Location: Meadville, Pa.
Posts: 2,804
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posi's
I used to rebuild rearends on the side for a few years. Bigjimz is right. It averaged about $200 (it depends on how many of the parts are worn and need replaced......the crosspin was worn about 50% of the time, spider gears would need replaced sometimes, etc.). I would sometimes shim the clutchpacks to get back to the standard thickness, but it was a stop-gap measure. It's almost cheaper nowadays to buy new. Just my opinion.......
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69 GMC SWB, 350 70 Chevy LWB, 350 55 chevy gasser, 461 73 Camaro, 496 67 RS Camaro, 406 64 Chevelle, 588 71 Nova, 565 67 Camaro, 461 |
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10-15-2004, 12:02 AM
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#8 |
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Registered User
Join Date: Jan 2004
Location: South Carolina
Posts: 207
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I have a 89k-5 blazer that I just rebuild the rearend. It has Brand new Gm posi unit and 3.73 richmond gears, I have all the reciepts. I want to get rid of the entire truck. I'll sell the entire thing for 1000.00 obo. The tranny is shot and not really sure about the motor. I have more than that in the rearend alone, if you include the install.
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