"Jeffrey J. Barteet" wrote:
> To clarify, I'm am interested in BOTH controlling axle tramp and the
> lateral movement of the rear axle.
> I believe that Kas Kastner made mention in his tuning manual that for
> racing ( the TR4 ) he highly recommended a linkage assembly that connected
> at the plate that goes underneath the axle and connects to the frame.
I am used to those being called torque tubes, though sometimes they are
known as traction bars. Somebody correct me if I am wrong.
> This would control the axle tramp of course, but not locate the axle
> The lateral control of the axle would be left to the panhard rod or watkins
> Someone mentioned traction bars. They do neither. They attempt to shift
> more weight onto the rear axle on your typical American behemoth with a
> 70/30 front/rear weight distribution.
> I'd be interested in what those folks autocrossing and \ or roadracing
> their cars have to say on the subject of live axle rear end preparation.
My '62 TR3B (former SCCA race car) came to me with a Panhard rod (with
Hyme (sp?) joints on the ends) and torque tubes (essentially traction
bars) below the frame. Also the leaf springs had been cut a little, but
just to allow for clearance of the 9.3" Goodyear Blue Streaks.
The rear axle has a Detroit locker, and a 4.3 ratio.
The car had had a rear sway bar, but not since I have had it.
Much of this was as recommended in the Competition Preparation Manual, I
I can't really comment on how the above has affected handling. I have
mostly autoxed the car, and haven't had it out since the VTR in
Savannah, GA. It certainly could be made to overstear, controllably or