318 Advice

Typical stock 318 car gears are 2.76. Also 7 1/4 rears were standard. Either way, there should be a ratio tag under a cover bolt. The stock 318 cam was a broomstick, anything would be better. Shoot for something in the 260-268 degree range, or even a stock 340 cam.

What do you have now for an exhaust system?