1965 Dart, 225, Crankcase ventilation and exhaust pipe.

brian6pac said

1 3/8" never knew they made them that small, LOL I thought 1 1/2 was the smallest.

Click to expand...

All exhaust tubing is sized by OD, & 90% is 16 gauge, so as such the ID is usually 1/8" less than the OD. And yes, Slantys had 1/2" tails on early A's, less in the bends...