North American Turbocoupe Organization



T5 maintenance, upgrades...?
Sean Offline
Member
#1
What is the fluid change interval for the T5? It runs ATF, right?

Is there any other manual that will work with our cars?

Are there any good ways to strengthen the T5 or extend its life?

1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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TurboBoost88 Offline
Member
#2
yes it uses atf, dextron/mercon III. every 30,000 miles. The 5.0 mustang trans will work with a different pilot bearing, but its not geared as low in 1st as the 4cyl trans.
88 TurboCoupe,Midnight Metallic Blue on Blue cloth, 140 m.p.h. speedo, 96,000 miles, 5spd. Gills valve, many new parts waiting to be installed..88 TC, Silver, 5spd, My first car, wish I still had that one! Built for customers: 67 Ford Fairlane,69 Mach I,70 Mach I Clone,95 Ranger 2.3/5.0 EFI Conversion,99 Cobra Procharger SC-1 Install/Tune,Factory Five Racing Mark III Cobra #4114,1955 Black on Black Thunderbird for local Ford Dealer owner's wife.
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Kirk86TC Offline
Junior Member
#3
If you want to keep the T5 and will make lots of torque, talk to G-Force. Here is what the parts cost:
http://www.jegs.com/webapp/wcs/stores/se...1875302043
1986 Turbo Coupe, 5speed

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Sean Offline
Member
#4
I'm not stuck on the T5, I just want to retain a manual transmission.
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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Matthew88 Offline
Junior Member
#5
Sean Wrote:I'm not stuck on the T5, I just want to retain a manual transmission.

How much power are you expecting to make Sean?

-Matt
1987 Turbocoupe 5 Speed
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Sean Offline
Member
#6
There's no real end goal, I'm just going to be "improving" and upgrading as budget permits and old parts failures require. I'd be thrilled to see her ever come close to 300 at the wheels, but so far all that's been done is a boost valve (set to 17.5ish PSI when I can find 93 octane, I turn it down if I can only find 91) and a bunch of suspension work.

Ideally this will be my road trip car, it is quiet, extremely comfortable, and crazy fast at interstate speeds....3000rpm at 80mph means the slightest dose of throttle feeds boost. Snap to WOT and she pegs the boost meter immediately and I'm off to speeding ticket territory....
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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Jeff K Offline
Administrator
#7
Sean Wrote:Ideally this will be my road trip car, it is quiet, extremely comfortable, and crazy fast at interstate speeds....3000rpm at 80mph means the slightest dose of throttle feeds boost. Snap to WOT and she pegs the boost meter immediately and I'm off to speeding ticket territory....

+1

I have owned lots of cars in the last 41 years, and hands down, my TC is the best road trip car I have ever owned. FYI, you left out good gas mileage!
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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Sean Offline
Member
#8
Jeff K Wrote:
Sean Wrote:Ideally this will be my road trip car, it is quiet, extremely comfortable, and crazy fast at interstate speeds....3000rpm at 80mph means the slightest dose of throttle feeds boost. Snap to WOT and she pegs the boost meter immediately and I'm off to speeding ticket territory....

+1

I have owned lots of cars in the last 41 years, and hands down, my TC is the best road trip car I have ever owned. FYI, you left out good gas mileage!

Ha...good gas mileage....I wish! Best I ever saw on a stretch of road trip, cruise set at 81mph running 93 octane and not much in the way of shenanigans, was 22mpg....Which is pretty good until I realize how expensive 93 is.
1988 Thunderbird Turbo Coupe
160 amp 3G and upgraded charge/power supply cables.
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Not B Anymore Offline
Administrator
#9
22 mpg highway is quite low. I get 21-22 average and 75% of my driving is sitting in traffic.
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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Jeff K Offline
Administrator
#10
I get 27 to 30 mpg on road trips all the time cruising in the low 70 mph range.
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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