ColdCityMustang

I have a 1995 GT mustang , NOS recomends that the plugs be 2* colder than factory, does anyone ha\ve a NGK spark plug part number?

WhiteWindsor

Callor e-mail their tech line, they willlet you know. I run autolite 3923 on 11:1 351. Autolite told me to step down to a 3922 with nitrous and retard timing.

Mustangkiler

NGK 2249

my77stang

why are you running an NGK plug in a ford anyways? 99.999% of mechanics will tell you regular copper core autolites work the best, even for cars that arent fords

Mustangkiler

NGK is where its at

samseed101

How big of a shot are you running? What plugs to get usually depends on that. Of course, I'm a fan of copper autolites myself.

ZachW04Stang

NGK is a brand not a type of plug. I was reading up the other day in a magazine that for nitrous you use an ngk brand plug because the electrode is smaller and if the combustion chamber temps get to hot from leaning out the electrode on the plug will melt because its smaller then autolite and other brands. It ends up saving your motor and just destroying the sparkplug. Just a thought

ThrashN

I run motorcraft plugs with a 100 shot, timing set at about 10-12

1fastzook

Im pretty sure that you have to go to a higer plugnumberfor NGK'S unlike american plugs autolite..ect ,you go lower.