Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
|
#2
05-14-2007, 08:30 PM
|
||||
|
||||
Re: 70 Z28 exhaust
If the car has the a.i.r. system in it... sounds like the pump and the diverter valve need to be restored. My old '69 Z popped and crackled. Once we sent the smog unit out to Jerry MacNeish, 95% of the popping, crackling went away.
__________________
Follow me on Instagram: https://www.instagram.com/mbcgarage/ 
|
|
|
Threaded Mode