North American Turbocoupe Organization

MotorCraft Spark Plugs
bryanb Offline
Is the current consensus still using Motorcraft spark plugs?

I tried my local dealer, and he doesn't have a part number anymore for the TC. He says the computer tells him it was superceded by another part number, but no _new_ part number is listed....

So, what to do?
Bryan Berndt
bryanb at
1988 Turbo Coupe, Automatic, all options except leather and sunroof
Cat back dual exhausts, No Muffler.

bhpinto79 Offline
go to use the 5% discount
or to
White - 88 5 spd w/Gillis & K&N

tps87turbo Offline
Posting Freak
Autolite 764 is what you need. You can get them at Walmart for like $1.97 each.
Tony Sceia -

HIS Red 88 TC
HERS - Blue 87 TC, fully loaded with every option, Work in Progress
87 Gray TC Parts Car - Gave to BJL and is now his daily driver

Pete D Offline
Autolite 764 copper or Motorcraft AWSF32-C or NKG # 2238
Pete Dunham


John R Offline
I use NGK # tr5

B D Offline
Motorcraft AGSF32C. I just put a set in my 87 TC. The car had developed a hard miss about 2500 RPM. New plugs cured this. It also got rid of my rough running at start up. I did not think the plugs caused the skipping at start up, but they did. I had 17000 miles on the plugs, which I didn’t think was that much. I was surprised to read in the owner’s manual that the plugs should be changed every 15000 miles. I now realize how critical plugs are in a turbocharged engine.
87 Turbocoupe 5-Speed, Remote mount K&N filter system,Steeda Shifter,New Heater Core,new clutch.
88 Turbocoupe "Mach 1 SE "
88 Thunderbird Sport 5.0 (Retired)
91 Ranger
NATO Member

Jeff K Offline
Quote:Originally posted by John R:
I use NGK # tr5
I also use these, and they work great. The TR5 part number isnt valid any more (I have been told), they now go by NGK 2238.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

TurboE Offline
Posting Freak
is there much of a difference between the Autolite 764 copper or Motorcraft AWSF32-C, i have the motorcrafts that came with the forced ford tune up kit.
-88 TC Black
5spd, Precision SC50 T3/T4, QH/SD Tune, Gillis, AFPR, 255FP, WB O2, K&N, Ported E6, 3" DP, ATR 2.5" Duals, 3:73 Rear, Konis, Eibachs, 18" Voxx Wheels, X Drilled Rotors.
-06 G35 Coupe Diamond Graphite
-97 Pathfinder

BCA Offline
Senior Member
Quote:Originally posted by Jeff K:
Quote:Originally posted by John R:
[b] I use NGK # tr5
I also use these, and they work great. The TR5 part number isnt valid any more (I have been told), they now go by NGK 2238. [/b]
It depends on the dealer/retailer. Both numbers are still valid, TR5 is the "part number" and 2238 is the "stock number".
It's similar to what Champion does with their numbering system, Champion "part number" RS14YC is also "stock number" 408.

It used to be that the parts stores always went by the plug "part number" but today the simpler & easier to enter "stock number" is being used more often.

1985 Cougar XR-7 5-speed - 1 of 1,246 built
1971 Ranchero GT
Hi-Jumper SSIII w/2.3L Turbo power

turbotronic Offline
Senior Member
Will Autolite 765's work?

88 TC (Black), 5 speed
FMS 140MPH Speedo Big Grin
Oval Port Head
1.59/1.89 SS Valves
APC Cone (I know...Ricer part)
Gillis valve
Alum. Water Pump
Walbro 190

88 TC (Red) [Parts Car]

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