LS1 driveshaft to 12-bolt
It turns out that the 12-bolt U-joint is smaller than the '02 LS1 Camaro.
My Z-28 original 12-bolt axle has a U-joint that is 3 1/4" with 1 1/16" joints.
The LS1 is 3 11/16" with 1 1/8" joints.
Fortunatelly there are crossover U-joints that combine these two sizes.
Jan






