North American Turbocoupe Organization



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tcseymour Offline
Junior Member
#1
I just bought and brought home a 1988 Turbo coupe 5 spd. Need some help with it though, the turbo obviously sucks and there seems to be some sort of electrical problem caused by what seems to be an aftermarket alarm system, or did some of these cars come with them? Anyway Ill be needing some help here and there so Ill keep updating what's going on.
1988 Turbo Coupe 5 spd
1971 Ford Torino 306ci auto
1987 F150 XL 4.9L 4 spd "Creeper"
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84TBirdTurbo42 Offline
Senior Member
#2
what "sucks" about the turbo?
Chris Perry
1984 Ford Thunderbird Turbo Coupe. Dead, NY rot killed her
1986 Thunderbird shell, swapping parts from the 84.
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tcseymour Offline
Junior Member
#3
Boosts up to 17psi and blows it all off and won't spool up again until after I shift
1988 Turbo Coupe 5 spd
1971 Ford Torino 306ci auto
1987 F150 XL 4.9L 4 spd "Creeper"
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Pete D Offline
Administrator
#4
Welcome to the board. Can you be a little more specific about the problems?
Pete Dunham


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Pete D Offline
Administrator
#5
"Blows it all off" You mean an air leak that occurs at 17 psi?
Pete Dunham


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tcseymour Offline
Junior Member
#6
Yeah the wastegate opens at around 17 psi and won't close until after I shift, however I think its more based around the position of the throttle. About the electrical problem, when I closed the door yesterday the headlights flashed on and off and the doors locked and unlocked 4 times
1988 Turbo Coupe 5 spd
1971 Ford Torino 306ci auto
1987 F150 XL 4.9L 4 spd "Creeper"
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1988turbotbird Offline
Senior Member
#7
Is your wastegate sticking? Did you remove the rod from the arm on the elbow to check if its sticking? And it sounds like there is a aftermarket alarm system in it. If it has it and you don't got the owners manual for it or a key fob, I'd remove the whole system. It's gonna be more of a headache than its worth..unless your worried about theft in your area
88 TC/HX35/CAI/3" exhaust/Wilson MS2/Beanman header/Head Work/Laramee Cam/Gillis boost controller/3G alt/Walboro 255 fuel pump/BOV/CHE rear control arms/1" lowered/poly. bushings/Chuck W mounts/6 puck clutch/Pro 5.0 shifter/AEM wideband/Tuning MS..
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tcseymour Offline
Junior Member
#8
I live in the backwoods so Im not worried about theft, how bad you suppose it will be to remove the system?
1988 Turbo Coupe 5 spd
1971 Ford Torino 306ci auto
1987 F150 XL 4.9L 4 spd "Creeper"
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Jeff K Offline
Administrator
#9
Is there a rectangular red ALARM light in the switch panel between the seats? Up thru 86, a factory alarm with said light was an option, but I dont remember if the factory alarm was still an option in 88.

What are the EXACT electrical problems you are having? How familiar are you with troubleshooting electrical problems on "modern" computer controlled engine systems?
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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tcseymour Offline
Junior Member
#10
The alarm light light is a little red circle to the left of the steering wheel. As for troubleshooting electrical problems on computer controlled engines, this will be my first car Ive had to do that.
1988 Turbo Coupe 5 spd
1971 Ford Torino 306ci auto
1987 F150 XL 4.9L 4 spd "Creeper"
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