67 -69 vs 70 - 72 A bodies

Hi, can anyone tell me what is the difference between the 67 - 69 A body and the 70 - 72 models? I am trying to locate a set of 1- 3/4" headers and all that is available for my car [ a 69 ] Is 1- 5/8" and I notice there are 1- 3/4" headers available for the 70 -72 models. pardon my ignorance, here in Australia all our A bodies were pretty much identical in the engine bay/ steering form 67 to the late 70s

Shouldnt be any differance.

hell 67-up a body headders should interchange...

There is a difference in the Pittman arm on a '67 that may or may not cause a clearance problem. But that is not a problem on your '69. I would say go for the '70+ headers!

Thanks for the replies guys.

The only difference is......the 67-69s look better!! :D

Dave

I have a 67 and a 71 and the only difference I seen was the pitman and the wiper motor(2vs3 speed) But those won't make any difference.