![]() Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
#15
|
|||
|
|||
![]()
I used NGK plugs in my 67 442 and it was night and day compared to the AC plugs I was using. They really woke up the motor. Very inexpensive hp increase.
|
Thread Tools | |
Display Modes | |
|
|