70Hardtop, I do not know if you still can get the offset jets from MoPar any more. They offer the keys in a package that range from a zero to 5* offset.
After you find out exactly where the cam is, you can use the offset keys to adjust the cam.
A 1* offset on the cam will not effect performance in a bad way. My cam went in off 3.5*. Now after adjustment, it is within .5*'s.
