Just trying to plan my build up.... and I want to use the 8" rear, but want posi, trac-loc, auburn, locker? rear. My car currently is a whon wheel wonder, and in looking for a third member the prices for a whole unit are out of my current reach. So what I am asking is for advice on wheather or not I can buy the guts and put mine together with what I have. It it possible? Thanx, Mike.
Can a open rear end be converted to a posi?
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muh'stang
If I were rich, I'd make sure all the scoops on my
weld the spider gears...your rear end will be completely locked, no slip. Google it, Im sure you could find more info, I saw some with diagrams even once.
alcino
Founding Member
Do not weld the spider gears. Yes it is cheap, but you will hate driving the car.
I did the powertrax lock right locker. All you do is remove the spider gears and add the unit in their place. Not that hard to do. They now have available a "extreme traction system" which should dissengage(sp?) a lot smother in the turns with the same straight away locking power.
http://www.powertrax.com/
I did the powertrax lock right locker. All you do is remove the spider gears and add the unit in their place. Not that hard to do. They now have available a "extreme traction system" which should dissengage(sp?) a lot smother in the turns with the same straight away locking power.
http://www.powertrax.com/
Dano78
Founding Member
I wouldn't weld the spiders either. Save that crap for a demo-derby car or a figure-8 thrasher.
The Powertraxx Lock-rite is certainly the way to go. I put one of these int he front diff of an '87 Ranger and I'll tell ya, it's impressive! I busted one of the front 2 axles and it still was pullin the one good front wheel with the opposite axle broke! Great units!
Another cheaper option, like welding the gears, is dropping in a mini-spool. I'd rather do that than well up the crap. I have a mini-spool in mine and it seems to be ok. Not something I'd drive daily. the mini spool replaces the spider gears just as a Powertraxx Lock-rite does. the Spool will be cheaper but you won't have the benefit of the unlocking Powertraxx for that city driving.
The Powertraxx Lock-rite is certainly the way to go. I put one of these int he front diff of an '87 Ranger and I'll tell ya, it's impressive! I busted one of the front 2 axles and it still was pullin the one good front wheel with the opposite axle broke! Great units!
Another cheaper option, like welding the gears, is dropping in a mini-spool. I'd rather do that than well up the crap. I have a mini-spool in mine and it seems to be ok. Not something I'd drive daily. the mini spool replaces the spider gears just as a Powertraxx Lock-rite does. the Spool will be cheaper but you won't have the benefit of the unlocking Powertraxx for that city driving.
Blue Thunder
Active Member
Back when I was young, I had a 200sx datsun beater car, and I blew up the stock spiders doing cheesy hole shots at 7k, so I had a buddy weld the carrier solid. Anytime I wanted to slow down, I didnt need to use the brakes, I just swerved back and forth in the road. How handy.
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