Trans help,poor mans posi?

[dubshack1]

I am building an 1835 for my girlfriend,and really want to posi the trans for some Sat nite street racing,poor mans posi,just welding the gears?I have also heard about diffrent thickness C clamps for the axles/swing,that shim the diff tight?any help will be appriciated.

[RockNbus]

Leave it an open diff unless you want your girlfriend to crash. A car that has welded spiders, spool, or limited slip is not as safe in the rain. Plus many, many people drag race with an open diff and they do very well.

[dubshack1]

not a daily driver,she is aware of what a posi car drives like in the rain,around corners, etc but still need help with methods and info on parts, thanx for looking out.

[AlexQS]

Yeah, I have read the same thing about welding spools = crash!

I remember reading something over at Geneberg.com, called Poor Mans Posi. Can't remember, I think it was something like you were saying, shimming or something to partially preload the spider gears a little?? Beyond my tech skill/comprehension a bit,.. BUT Gene Berg knows his stuff I think. Check it out.

[vwracerdave]

The Berg poor mans posi is just shims that tighten up the diff and cause premature wear. Welding spider gears is dangerous and should never be done. You can get a used ZF limited slip, but their not cheap.
_________________
2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK

[Rowroy]

You have to realize that there is a difference between a "posi" diff and one that utilizes a spool. A posi differential will lock up ONLY when one tire begins to spin. The rest of the time, it acts as an open diff. You don't have that benifit with a spool. As far as welding the spider gears, I would never do that simply because if the weld ever fails, you could end up with a chuck of metal bouncing around inside the transaxle case . . . and who wants that. Welding gears is never a good idea.

[nsracing]

The Poorman's posi shims will tighten the side gears to the spiders by taking the clearance away. Yea, it will give you the "posi" effect a little.

The wear is not really there since the open diff will only work the spiders when you loose traction on one wheel. This is when it spins the spiders over the side gears. But so long as both wheels track at the same, the spiders stay put and the both axles roll as a unit.

All it is sticking the correct thickness shim in there between the "C" clip and side gear.

[dubshack1]

anyone have a posi unit for sale,or know of anyone,really want to kick some honda/subi/evo ass!!!!

[nsracing]

[dubshack1]

dont really want to weld,dont really want to just shim,would really like a freeway flyer,but can deal with just a posi diff,all boarders on price,trying to finish car under 20k

[clayster89]

[dubshack1]

This is for my girlfriend,she already has a WRX,but I feel an 1835/maybe 1914 will do the trick,still want a posi.

[Bugman Jeff]

My '69 is not Posi, yet most of the time both tires spin when I launch.

The average VW Posi is around $1000, you'll have to decide if it's really worth it.

I'm developing a new Posi unit for the ACVW that should be much cheaper than the currently avalible units(without sacraficing quality). Gimmie about 8 months though, I have a bit of work to do still.
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Restorer of Porsche Speedster 80486

[vwracerdave]

Right now there are 4 ZF limited slip diff's for sale in the Samba classifieds

http://www.thesamba.com/vw/classifieds/search.php?...ton=Search
_________________
2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK

[mts935]

I have used the poor man posi since the late 60s on a bunch of cars from bajas to Myers’s Manx 10sec car with great results. Also on a bug with a hot rod 912 engine that was driven 20,000 miles and had very little wear. In some cases it worked better than a posi. I wouldn’t hesitate to use one again.

[earthquake]

If your going to do a "Lincoln Locker" at least do it the right, Use a TIG welder and Silicon Bronze wire.

eQ
_________________
74 CLASS 11 LOOK-A-LIKE
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
95 Chevy C3500 dually
98 Ford E150
Link to Kelly J. Nolte 3/20/53 - 11/6/08
https://time-zonelabs.blogspot.com/p/about-kelly.html
DEATH TO CHINGERS!
[From a military recruitment poster in the novel "The Stainless Steel Rat" By Harry Harrison]

[nsracing]

This thing is alive?

Do not lock anything unless you want to be in the guard rail.

[earthquake]

Phantom Grip makes one for a type 1 IRS trans axle for $350
https://phantomgrip.com/shop/audi-limited-slip-lsd...ir-cooled/
but I don't know if there any good.

eQ
_________________
74 CLASS 11 LOOK-A-LIKE
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
95 Chevy C3500 dually
98 Ford E150
Link to Kelly J. Nolte 3/20/53 - 11/6/08
https://time-zonelabs.blogspot.com/p/about-kelly.html
DEATH TO CHINGERS!
[From a military recruitment poster in the novel "The Stainless Steel Rat" By Harry Harrison]