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controlling rear end hop?
https://slantsix.org/forum/viewtopic.php?t=13241
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Author:  Rick Covalt [ Thu Jun 30, 2005 5:11 pm ]
Post subject:  Cal Track Bars?

Are you thinking of the Cal Track bars?

Author:  440_Magnum [ Fri Jul 01, 2005 12:11 pm ]
Post subject:  Re: Cal Track Bars?

Quote:
Are you thinking of the Cal Track bars?
That sounds right. I don't know if they work as well as advertised or not, but the reviews are positive. And the basic engineering looks like it should work a lot better than "slappers."

Author:  slantzilla [ Fri Jul 01, 2005 10:26 pm ]
Post subject: 

Quote:
Conventional "slapper" traction bars only screw up the way Mopar springs are supposed to work.
I guess I should take the slapper bars off my Valiant then? Must be why I can only manage a 1.70 60' on street tires, huh?


Quote:
There's a new type of device similar to a traction bar, but it actually creates almost a 4-link action and works WITH the springs... can't remember the vendor that makes it right off. There was a write up in a recent 'Muscle Car Enthusiast' magazine, and I'd first heard about it 4-5 years ago. It has a boxed bracket that mounts around the front spring hanger, and then a plate that mounts under the axle U-bolts. An adjustable linkage attaches the plate to the boxed bracket, and allows you to adjust the amount of pre-load on the link, which counteracts the tendency of the nose of the differential to rotate upward on a hard launch.


Cal-Tracs are a variation of the old Traction Masters from the '60's. What they do is use the energy from the pinion rotation to transfer weight. They work incredibly well. I have a set on my Dakota R/T and another set that may end up on my Valiant. :D

Author:  sixty4dartgt [ Fri Jul 01, 2005 11:18 pm ]
Post subject: 

Where do you buy them? I did a google search but found nothing. :cry:

Author:  slantzilla [ Sat Jul 02, 2005 12:27 pm ]
Post subject: 

http://www.calvertracing.com/

Author:  Matt Cramer [ Fri Jul 29, 2005 11:06 am ]
Post subject: 

The traction bars that really need to be avoided on a Mopar are the ones that connect the axle to a bracket that welds to the chassis or subframe. These bars are meant to work with a leaf spring with a very flexible front section (read: GM or Ford) and bind up whenever the axle moves if you use them with Chrysler leaf springs. The slapper ones are OK, and the Cal-Tracks (or the clones in the article on Hot Rods and Hemis) are designed to supliment the leaf spring's stiffness. It's only when you try a design that requires the leaf spring to have a lot of flexability that you get in trouble.

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