What is the difference between a 350 and a 305 harmonic balancer?
What is the difference between a 350 and a 305 harmonic balancer? In most cases the 305 used a wide hollow balancer about 6 inches tall, 350`s came with the solid 6 inch balancer or solid 8 inch balancer. All small block chevy generation 1 balancers are interchangeable anyways except the 400 small block and the vortec engines of 1996 and later. Do I have a 350 or 305? Geezer. By far the easiest way would be to pull a head and measure the bore. A 350 will have a 4 inch bore ( as would a 327 or a...