1966 Biscayne
Has older Cragar 2-piece rims with BFG T/A 245/60r14s in back. Kumho 205/75r14s in front. Tires are at 35 psi. Chevy recommends something in the high 20's.
Had vibration at 55 mph that went from nothing, to the-rear-is-gonna-fall-off with a 2 mph bump in speed.
Pulled rear wheels. Rebalanced. One may have been out 2.75 oz. Tires have maybe 1/8" of runout. I've had others like this that were still livable, particularly on the rear axle.
Pulled the hub adapter rings, wirebrushed the rust off, got the hubs. Wasn't bad, but worth doing. These rings are steel and have a little split in them like a piston ring so they fit snugly on the hub. Rims have the elongated lug holes so they fit either 5x4.5 or 5x4.75.
Now the shake happens at 60.
I don't think my shocks are dead-- the car handles decently. But I wonder if I'm getting some harmonic imbalance exaggeration. Or could be a driveline issue I guess.
Next step? I like the rims for looks, even though the staggered setup is stupid behind my inline-6.
Has older Cragar 2-piece rims with BFG T/A 245/60r14s in back. Kumho 205/75r14s in front. Tires are at 35 psi. Chevy recommends something in the high 20's.
Had vibration at 55 mph that went from nothing, to the-rear-is-gonna-fall-off with a 2 mph bump in speed.
Pulled rear wheels. Rebalanced. One may have been out 2.75 oz. Tires have maybe 1/8" of runout. I've had others like this that were still livable, particularly on the rear axle.
Pulled the hub adapter rings, wirebrushed the rust off, got the hubs. Wasn't bad, but worth doing. These rings are steel and have a little split in them like a piston ring so they fit snugly on the hub. Rims have the elongated lug holes so they fit either 5x4.5 or 5x4.75.
Now the shake happens at 60.
I don't think my shocks are dead-- the car handles decently. But I wonder if I'm getting some harmonic imbalance exaggeration. Or could be a driveline issue I guess.
Next step? I like the rims for looks, even though the staggered setup is stupid behind my inline-6.