Hi can someone help me I have a vx ss 402ci with a supercharger running 7psi need the spark plug gap
4 402ls1 New Member Joined Jun 25, 2017 Messages 3 Reaction score 0 Points 1 Age 46 Location Melbourne Members Ride Vx ss Holden commodore 5.7 Jun 25, 2017 #1 Hi can someone help me I have a vx ss 402ci with a supercharger running 7psi need the spark plug gap