North American Turbocoupe Organization



Propper Gap
Tank Offline
Member
#1
Whats the propper gap for the plugs?
Thank,TANK

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87 Turbo coupe,5-speed,K&N cone,Loaded but stock... for now and whole lotta new parts.
88 TC auto silver full load/sunroof 147K K&N cone filter, Gillis valve set at 17 lbs. This thing looks cool but is dog compared to my 87 5sp that now has motor out and is being rebuilt.(slowly)May make one killer car from these two yet.
"Never drive faster than your Angels can fly"
Glad my Angels have a turbo!
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shiftless Offline
Member
#2
.030-.035 is fine.
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rv23tc Offline
Member
#3
i have mine gapped at .28 and have no problem i'm also running bosch platiums

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mods: 260 armstrong xp pump,430gears,,boost controller,FPR,9mm motorsport wires,K&N filter
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turbobird Offline
Member
#4
Platinums are a 2.3T NO-NO! They wont last!
Tank,just get the stock AWSF32C motorcraft plugs($.99), or the NGK plugs TR5-22($1.99)and gap em at .030-.034.

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Jerry Rutten
88'Turbocoupe
Jerry R.
88'Turbocoupe
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Jeff K Offline
Administrator
#5
I had to close my gap down to .030 (AWSF32C plugs) to keep them firing under 20 psi boost. If you want to experiment, start at .030, and be sure you dont get any missing at high RPM and boost. Regap to .032, and try it again. If it is still OK, keep going up in .002 increments until you get a miss, and then drop them back .002. Generally, the wider the gap, the better if you dont get any missing. Every engine seems to be a little different as to what gap it likes best.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 20 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 00 Windstar (wifes vehicle)
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
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Chuck W Offline
Posting Freak
#6
Just curious. Who sells the NGK plugs?
83 TC Clone, 80 Cougar XR-7, 85 Volvo 244 Turbo, AND 88 Scorpio
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TCKNIGHT76 Offline
Member
#7
Autozone has the ngk plugs. I would go with the motorcraft plugs its alway best to keep the plugs stock
88 turbo coupe
Bov
Eatin bc
K&N filter cone style
Pony wheels
60mm tb have it ready to go on
98 explorer
5.0
Awd

KEEP IT OUT THE RED!!!!!!!
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86XR7auto Offline
Moderator
#8
Autolite 764 plugs are basically the same as motorcraft AWSF32C.

Travis
86XR7 in pieces...old time [email protected] http://www.youtube.com/watch?v=kGsz7PdEqTI 88TC stock Red RHSC [email protected], 01 Z71=Nice winter ride, 01 CVLX w/HPP wifes ride!
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