Bought a Holley 550-617 for my 2004 Mach 1. Hoping everything installs smoothly!
Bought a Holley 550-617 for my 2004 Mach 1. Hoping everything installs smoothly!
James (Systemdz) here from M1R. It looks like big things are happening to your Mach. Installing Holley EFI on my Mach soon also. Hoping to learn a lot, so I can stop paying people to tune my car. Ha, ha.