MustangWorks.com : Ford Forums - View Single Post

07-28-2005, 05:30 PM

Do you have the stock ignition? If you have an aftermarket ignition you can leave the gap pretty much stock, which is .054. If you just have the stock ignition then I'd close them down to .045 Although many would say to close it to .035.

07-28-2005, 05:30 PM	#2
Simi Stang Guest Posts: n/a	Re: spark plug gaping nos Do you have the stock ignition? If you have an aftermarket ignition you can leave the gap pretty much stock, which is .054. If you just have the stock ignition then I'd close them down to .045 Although many would say to close it to .035.