umm ... I don't think the torque reaction dissappears on an IRS setup, just
takes a different route - transferred from diff to frame and through the
springs to the wheels.
>.. the difference
>in the traction at the road between L and R wheels during a straight-
>line start is caused by the difference in downforce....much (most?) of it
>is due to the torque of the driveshaft
>on the diff casing. Therefore it happens with a solid axle but NOT
>with IRS. With a sollid axle, a torque on the diff casing on a
>longitudinal axis will lift one wheel and push down on the other.
>With IRS, which includes the Spitfire and GT6, the the diff casing is
>held by the frame, so torque on it does not affect the wheels. (Ever
>see My Cousin Vinny? If GM had ever used IRS on those cars that last
>courtroom scene wouldn't have worked! Or have I totally
>'80 Spitfire, '70 GT6+
Tired of spam? Get advanced junk mail protection with MSN 8.