Quote:

Put a Passon in & forget about it. I did & I'm 110% happy with it in my 69 Bee with 4:10's. Went from 3200rpm to 2300 SWEET!!! 511 inch & 8 3/4 here. Car looks bone stock with 26" Goodyear PolyGlas tires



Your math seems a bit off. Should be closer to 2600 rpms???