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#1 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Truetrac does not offer in a 3.42 carrier. 3.73 up is all.
Hesitant of 3.73's due to 80% highway driving Hesitant of a posi as the locker in it is broke now 468, th400 and 29x20x15 mickeys. What to do? Posted via Mobile Device |
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#2 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: No truetrac / 3.42 combo! What now?
ttt
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#3 |
Special Order
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Location: Mt Airy, MD
Posts: 85,858
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Re: No truetrac / 3.42 combo! What now?
www.auburngear.com
Your old posi probably broke from improper maintenance. But,the Auburn is a stouter design I think.
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#4 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: No truetrac / 3.42 combo! What now?
how old is the posi you have now that is broken?? if its a 40year old piece? i'd think it gave great service over that span
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#5 | |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Quote:
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#6 |
Special Order
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Location: Mt Airy, MD
Posts: 85,858
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Re: No truetrac / 3.42 combo! What now?
This is for a 12-bolt 30 spine? I found a listing for 3.73-down carrier:
http://www.currieenterprises.com/ces...E.aspx?id=3337
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#7 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Yes and correct but thats for a car
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#8 |
Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: No truetrac / 3.42 combo! What now?
What you have now sounds like a Gov-lock. They are famous for breaking because they use centrifugal weights to engage, or lock.
I would run an Eaton LSD. They're very durable and rebuildable. The Auburn LSD's are great units, but they're not rebuildable http://www.ringpinion.com/b2c/Produc...and=Eaton_Posi
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#9 | |
Eat, Sleep, Drive a Chevy
Join Date: Apr 2010
Location: the town of the cow, Texas
Posts: 1,152
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Re: No truetrac / 3.42 combo! What now?
Quote:
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#10 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Ttt
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#11 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
I'm wondering if 3.73's will be too much but I am leaning that way to get the true trac.
Oh yea, the busted LSD is a powertrax. One of the pins is jammed in there. Posted via Mobile Device |
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#12 |
Has more rust than truck...
Join Date: Apr 2005
Location: Ivanhoe, MN
Posts: 2,421
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Re: No truetrac / 3.42 combo! What now?
Powertrax is far from the strongest locker out there. Most cases a different area of a 12 bolt will give up before a Eaton posi will..
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#13 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
So which of the following gears do I get? 3 or 4 series carrier with a truetrac?
http://www.summitracing.com/parts/RMG-4902801/ http://www.summitracing.com/parts/RMG-4900721/ Posted via Mobile Device |
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#14 |
Registered User
Join Date: May 2011
Location: mich
Posts: 655
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Re: No truetrac / 3.42 combo! What now?
Give DTS a call they will get you you need plus more and at a fair price.
browse through the web site. they even carry the x-tra thick gears for different series carriers to fit each other. example 3.08 gear fit series 4 carrier. ![]() www.drivetrainspecialists.com |
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#15 | |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,118
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Re: No truetrac / 3.42 combo! What now?
Quote:
http://www.drivetrainspecialists.com/index.html
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#16 |
Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: No truetrac / 3.42 combo! What now?
I had a 3.73 gear with 28" and 29" tires. It was ok, but trying to drive 70mph on the interstate wasn't alot of fun. I finally switched to a 3.07 this spring. I lost some bottom end, but it's great to be able to drive in the fast lane with other traffic. I personally wouldn't go 3.73's if you do alot of highway driving. Unless, of course, you don't mind staying at 60 in the slow lane the whole time.
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#17 | |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Quote:
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#18 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
The 468 seems pretty built as I don't shift til 6k.
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#19 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Went with truetrac and 373's. Should keep those 15" wide mickeys going.
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#20 |
Registered User
Join Date: Apr 2008
Location: Plano, TX
Posts: 49
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Re: No truetrac / 3.42 combo! What now?
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#21 |
Registered User
Join Date: Dec 1999
Location: Mid NE USA
Posts: 2,212
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Re: No truetrac / 3.42 combo! What now?
If you go a little taller on your tires it will drop ratio a bit. when you need new tires of course. I am running 373's in my Jeep with 33's does good on highway. Went with 373's in My 70 GMC4x4 with 33's also.
Ron Ron
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#22 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Yep. I'm a 2 wheeler though on bags. Tow vehicle has 35"s though. Thanks for the input. Other set of wheels has 31".
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#23 |
Registered User
Join Date: Apr 2011
Location: Dallas
Posts: 94
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Re: No truetrac / 3.42 combo! What now?
Like it. I have a three speed so it runs over 3k at 75 bbc.
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#24 |
Registered User
Join Date: Apr 2008
Location: Plano, TX
Posts: 49
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Re: No truetrac / 3.42 combo! What now?
I probably will go with that as well, my tires are 28.5" tall, and will probably be just over 3K @ 70-75.
Thanks |
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