Scalpel

iTrader: (4)

I have read where driveshaft/pinion angle can have positive and negative effects. What are some of these effects? What is the appropriate driveshaft/pinion angle for daily drivers? Why would you want to adjust it? Thanks.

Fast SS on TNT

iTrader: (1)

Okay, not an expert. So take this with a grain of salt. The local shop that sold me my torque arm set it at +2.5 degrees. They told me it would be a good street/strip setting. Anymore and it would compromise the pinion and possibly take out the bearing, or seal. Any less and it would not be agressive enough to get the tires to bite.
But, like I said....not an expert, and would never say this was law. Just what I was told.

Viper

iTrader: (6)

Odd, I have mine set at -2 for the same reason; bite. Also wheel hop in autox situations.

jimmyblue

iTrader: (11)

Pinion angle and torque arm angle go together
(by diff mount) but may be separated by an
adjustable torque arm. Torque arm angle affects
instant center and traction. Pinion angle is
mainly about U-joints (matching angles from
pinion to driveshaft and trans to driveshaft
produce the least U-joint bind and shaft
scrub, scrub makes more seal weep and wear).
A bad pinion angle mismatch can make some
unpleasant driveline vibration, and lumpy
rotation has to cost some transmitted power.