My new early A-Body with a 273c.i. 4bbl....

lordoffrisco said

Thank you guys! I really love the car.

Here is a real cool pic from a Motor Trend test in 1965
View attachment 1715020955

What is this hose/tube from the air cleaner back to the valve cover for?

Click to expand...

Love the pic!
CLOSED Crankcase breather hose. Air going in from the breather of the right Valve cover , through the crankcase and back to the intake from the left valve cover.