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#1 |
Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Gotta get some traction!
Okay, so I have plenty of power, I just can't get it to the ground. I've had enough of spinning my right wheel off, while the left wheel sits idle.
This may finally convince me to go 5 lug when I put discs up front ('70 C-10), if I can find a decent posi rear end. I'd really like to stick w/ 6 lugs though. What is a decent posi unit for my factory 12 bolt that won't kill my bank roll? I have a few friends telling me to go with "Lincoln Lockers" (welding my open to where its a full time locker). Something tells me that would make it less than driver friendly. Any experience with this? I spend most of my time pulling my 3,000 lb boat. I often spin tires going up nice concrete boat launches. The natural rock bed boat launch 4 doors down is unfortunately off limits until I get a better solution.
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days! ![]() 05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! ![]() |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Gotta get some traction!
you can forget about pullin a trailer with welded spider gears and trying to park or makin smooth turns or driving on wet roads its a poor dangerous choice
the best bet for cheap is a used rear that you can get some use out of but like everything a 30-40 year old part usually has a limited lifespan due to 30-40years of abuse
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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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#3 |
Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: Gotta get some traction!
I'm going to be in the same situation with traction. I thinking on trying one of those Powertrax lockers in mine. They are going for around $400.00 and are suppose to be an easy install.......
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1997 GMC Sierra Ext 1965 Mustang |
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#4 |
Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: Gotta get some traction!
Yeah, thats what I figured & came here to have someone talk me out of it.
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days! ![]() 05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! ![]() |
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#5 |
Registered User
Join Date: Feb 2006
Location: nashville
Posts: 217
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Re: Gotta get some traction!
don't do it, my friend had a 85 c10 (468bb) with the rear welded, making left and right turns were terrible if you gave it any gas, too much gas and you would continue to go straight
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1997 pontiac grand prix gt (daily driver) for now; 2004 dodge ram quad cab (wife's truck) 4.7; 2000 pontiac booneville (wife daily driver) 1972 chevy cheyenne 350 bored 40 over 700r trans 373 gears ( posi) soon to be daily driver; 2002 gsxr750 sold ![]() |
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#6 |
Senior Member
Join Date: Sep 2006
Location: Vancouver, WA
Posts: 1,015
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Re: Gotta get some traction!
I've been doing lots of research on this subject because my Bad Boy Hot Rod truck that has lots of power & lots of money thrown into it, also only spins the right rear, in my opinion the best/most economical posi (Limited Slip) is the Eaton Limited slip unit that they have been installing in GM 12 bolt rearends sine the mid 60's, you can buy a brand new one, usually around $360-$400, or you can buy a used one for $250-$100 depending on condition/mileage ect. If you buy one that's pretty well worn, you can buy a new re-build kit for around $120 (4 springs & the clutch/disks) installing this unit in a non posi bolt rearend is something I would leave to an expert/experienced person (there's several critical tolerances, backlash adjustmetn ect.) here's what they look like, & beware of sellers telling you they have one that fits 12 bolt trucks, & chevelles too, their are not cross compatible, only 12 bolt truck eatons work in 12 bolt truck rear ends. & the same with car rearends. There is better/beefier units, but they are in the $550-$600 range & that's just the pumkin (Auburn gear). Here's a picture of the Eaton that I'm talking about
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#7 |
Senior Member
Join Date: Sep 2006
Location: Vancouver, WA
Posts: 1,015
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Re: Gotta get some traction!
I also wanted to add that there is a series 3 eaton that goes from 3.07 to 3.73 gears (Ring & Pinion) & a series 4 goes from 3.73 up.
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#8 | |
Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,921
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Re: Gotta get some traction!
Quote:
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1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 Last edited by boraxman; 06-05-2007 at 01:54 AM. |
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#9 |
Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: Gotta get some traction!
Eaton
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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#10 |
Ever heard of Beech Island??
Join Date: Apr 2007
Location: Clemson, SC
Posts: 327
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Re: Gotta get some traction!
I got a question about this. How would you identify if a vehicle at the junkyard has a posi, other than taking the cover off the axle, I probly would anyways to see the condition of the rear end, but just so I dont have to pull every cover off to check if there is a posi in there. Would there be numbers on the axle that would tell? what about in glove box? Jack rear up and spin tires?
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#11 |
Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: Gotta get some traction!
Sure, if you have deep pockets, but I think "graywolf" said something that won't kill his bankroll......That's why I mentioned Powertrax. Maybe not as strong as the beefed up Eaton's. But it's something you can do yourself....
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1997 GMC Sierra Ext 1965 Mustang Last edited by 70GMCer; 06-05-2007 at 07:32 AM. |
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#12 |
Senior Moment
![]() Join Date: Mar 2002
Location: Pittsburg Ca
Posts: 4,142
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Re: Gotta get some traction!
While were taking Posi. I have a F@rd 9in in my truck. Any body up on what F@rd has for posi's. I supposedly have limited slip but with the 454 it only spins the right rear most of the time. From a dead start sometimes it spins both ??????????????????
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1970 CST LS 1 6 speed Ford 9 inch Detroit Tru Track, Dakota Didgital, Vintage Air, QA1 Coil Overs Front & Rear Lots of FUN 2013 GMC PU, Oldest Son 71 GMC LWB. QA1 Suspension, Angry SB. Youngest Son 2019 GMC Diesil Dually. Youngest Son 2017 Toyota SUV Daughters car 2018 Traverse , Wife’s Ride Pittsburg Ca 94565 |
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#13 |
Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: Gotta get some traction!
Does anyone have experience w/ the PowerTrax? I'm concerned about how streetable they are.
The nice thing about the PowerTrax is that you don't have mess w/ the ring & pinion, just the spider gears. They make it sound as if its a simple matter of wrenching & no precise adjustments to be made. I'm leaning towards 70GMCer's way of thinking.
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days! ![]() 05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! ![]() |
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#14 |
Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,271
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Re: Gotta get some traction!
They are good and should hold up to the abuse (they are waranteed if they don't) and you are correct, just pull the spiders and slide the power trax in and done!
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#15 |
That's right, it's Copper!!
Join Date: May 2007
Location: Bakersfield, Central California
Posts: 558
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Re: Gotta get some traction!
I love the PowerTrax unit in my truck. It was a great upgrade for the money. It's just a little loud at times (when turning).
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#16 |
Senior Member
Join Date: Sep 2006
Location: Vancouver, WA
Posts: 1,015
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Re: Gotta get some traction!
I was also about to jump on the power trx, (it's a little cheaper too) but I didn't want to hear the clicking noise when turning, in a 4X4 I wouldn't care but for a lowered street truck I wanted a quiet option for posi, Yes, you can jack up the rear end & maybe have someone turn the right rear tire & I would go over & hold the left/put some resistance on it, cause sometime even an ope diff will turn that left tire if it's in the air & no resistance on it. The glovebox may say posi, but you never know what's been done/pulled & replace on a truck that's 35+ years old.
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#17 |
Senior Member
Join Date: Sep 2006
Location: Vancouver, WA
Posts: 1,015
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Re: Gotta get some traction!
Hey? Did you see this? Might be cheaper & definetly an easier install, not sure how far it might be from you though.
http://67-72chevytrucks.com/vboard/s...d.php?t=227160 |
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#18 |
Registered User
Join Date: Feb 2007
Location: Bend, OR
Posts: 110
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Re: Gotta get some traction!
The guy that set the 9" up in my 68 Camaro said the power trax were junk and he had a box of them he had pulled out. I guess they can't handle the big power and they are clicky like a locker. I think a guy needs to spend $450 and get an Eaton. I stole off of Cr@%&'s list and love it. It has the new carbon fiber clutch pack and I paid a whopping $125.00 for it. The guy didn't know what he had....but I did. Guess that makes yet another club:
Thanks for that part at 10% of it's true value club
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'68 Chevy SWB with 460 BBC Muncie M-22 and Eaton posi rear w/ 3.73's Corvette rallys with mini derby caps Sick horsepower and torque |
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#19 |
Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: Gotta get some traction!
Do you have the Lock-Right ($313 at Summit) or th eNo-Slip Traction System ($477 at Summit)?
__________________
85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days! ![]() 05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! ![]() |
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#20 |
That's right, it's Copper!!
Join Date: May 2007
Location: Bakersfield, Central California
Posts: 558
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Re: Gotta get some traction!
It's the Powertrax No-Slip Traction System, Summit # PWT-92-0788-3005. I'm running the GM Performance ZZ383 with 150 shot of nitrous. 3.73 gears with a 700R4. Runs great, but like I said I get some noise ( clicking ) at times. Royal Purple gear oil made it much better.
The best part is it goes in without having to pull the third member out. Takes about an hour and it will light both tires. I didn't see the parts as "junk", it's been holding up well. ![]() |
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#21 |
Registered User
Join Date: Sep 2005
Location: San Angelo or Eufaula
Posts: 301
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Re: Gotta get some traction!
How come nobody said moroso brute strength? It's cheaper and proven to perform.
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#22 | |
Registered User
Join Date: Feb 2007
Location: Bend, OR
Posts: 110
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Re: Gotta get some traction!
Quote:
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'68 Chevy SWB with 460 BBC Muncie M-22 and Eaton posi rear w/ 3.73's Corvette rallys with mini derby caps Sick horsepower and torque |
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#23 |
Registered User
Join Date: Feb 2001
Location: Wetumpka, Al, U.S.
Posts: 8,891
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Re: Gotta get some traction!
John call me I know where you can buy a 6 lug posi rear in town!
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Kevin Special Thanks to All who have helped on the TRUCK! My Pass Time Show http://s129.photobucket.com/albums/p...Chapter1-0.mp4 So Far my best Times are: Motor only: 6.44 1/8 @ 104.13 10.39 1/4 @ 125.83 Nitrous Times: 5.785 1/8 @ 118.65 with a 1.336 60ft 9.168 1/4 @ 142.58 with a 250 shot dead out of the hole! |
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