North American Turbocoupe Organization

Plug substitute
Salida Geoff Offline
Junior Member
What is a favorite NATO substitute for Motorcraft AWSF32c original plugs?
Thank you
Geoff Whitney

Pete D Offline
Pete Dunham


jmthunderbirdturbo Offline
Posting Freak
i like NGK TR5's or TR4's for higher boost.

the split tip seems to aid in preventing spark blowout from higher boost pressures, and being cheap copper, you'd think the life is short, but i have found quite the opposite.

i run these plugs in EVERY ford i have ever owned, from stock to wildly upgraded. its the only plug i use...

APRIL 2018 - LOOKING FOR A NEW CAR. PM me if you have an 87-88 roller or cheap TF for sale.
1988 TC 5MT-Blue/Blue check-off car. resto-project.
2006 Honda Odyssey 5AT, baby-mobile.
2013 F-150, 5.0, 6AT, 4x4, snow white paint.

Gary S Offline
+2 on the NKG's. I've been using these plugs for the last 3 years and am really satisfied with them.
NATO Member
1987 Turbocoupe
168,000 Miles
5 Speed
Black w/Raven Interior

Not B Anymore Offline
Add me to that list!
Brian Leavitt
'86 TC 5-Speed -- MS2x w/COP | 83 lb. injectors | T3/T4 50 Trim Stage 3 .63AR | Full 3" Exhaust - No Cat | Motorsport FMIC | Ranger Roller | Ported E6 | Walbro 255HP | Kirban | 20psi | 120-amp 3G | 8.8" 3.55 rear | '03 Cobra Wheels

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