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11-12-2008, 09:23 PM
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#1 |
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Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,280
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I have a posi question
I took the cover off my 71 rear the other day. I was a little disappointed to find 3.73 gears[ I have a fresh th350 on the floor] I will be looking to put in a posi unit. Will I need a 4 series carrirer? Jim
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11-12-2008, 09:49 PM
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#2 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,080
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Re: I have a posi question
3.73 is a four series carrier in the truck , the 3.07 is a 3 series carrier.
__________________
67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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11-12-2008, 11:00 PM
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#3 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: I have a posi question
if you put a posi in you dont need a carrier the posi isis it just make sure you get the one that the 273's fit on
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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11-12-2008, 11:48 PM
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#4 |
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Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: I have a posi question
3.73's are at the point you can use either 3 or 4 series carrier. One you will need a spacer for. I like randys ring and pinnion, great support and advise.
www.ringpinion.com |
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11-13-2008, 12:31 AM
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#5 |
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My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: I have a posi question
What's wrong with the 3.73's? Are they too deep for ya? They do suck on the highway!!
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11-13-2008, 12:32 AM
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#6 |
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Senior Member
 
Join Date: Jul 2008
Location: kennewick, WA
Posts: 1,513
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Re: I have a posi question
so could you put a 4.10 ratio out of a maximum slip into a posi? i have a 3.73 posi carrier, but have 4.10's (i believe) in my truck now and want to slap the posi under it.
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11-13-2008, 03:51 PM
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#7 |
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Registered User
Join Date: Sep 2005
Location: Canton North carolina
Posts: 3,080
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Re: I have a posi question
Yes you can use your 3.73 posi carrier w/ your 4.10 gears, as long as you have a 4 series 3.73 carrier and not the 3 series 3.73 carrier- difference is in the thickness of gears. Check your 4.10 ring along side your 3.73 ring if same thickness you are good to go.
__________________
67 blue step side- bb 68 gold and white swb cst anniversary 68 custom swb hot rod Ls swap 69 swb cst 6 cylinder/ overdrive 69 black/black cst bb swb 70 orange and white cst Canada built truck swb bb 71 black and white super swb bb 71 red and white super swb 72 green and white super swb 4x4 62 nova wagon 400 series Ls swapped 68 Camaro 327/4 speed- 1 owner, original paint 66 Volkswagen bettle 69 auto stick Volkswagen Beetle |
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11-13-2008, 10:13 PM
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#8 |
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Senior Member
Join Date: Jul 2008
Location: kennewick, WA
Posts: 1,513
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Re: I have a posi question
ok that makes sense, thanks
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