North American Turbocoupe Organization



Shifting problems
Asimov Offline
Senior Member
#11
May be totally off here, but the way it sounds, it could be that somebody put gear oil in the transmission instead of ATF.... Just a thought, you said you checked the fluid... what kind of fluid was it?

[Edit: oops, just reread this thread and noticed it had already been mentioned, sorry]

-asi

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1986 TC, 132k pretty well taken care of miles. k&n, [email protected], timing set at 12.5 (spout out), A/C delete. Very restrictive exhaust at the moment [email pics to asimov at forced-induction org for sales/id purposes (free hosting)]

[This message has been edited by Asimov (edited 02-18-2005).]

[This message has been edited by Asimov (edited 02-18-2005).]
-asi

1986 TC, 132k pretty well taken care of miles. k&n, [email protected], timing @ 12 (spout out), A/C delete. 3" Downpipe (no other exhaust... Whoever described that sound as a "pissed off tractor" hit the nail on the head)

[email pics to asimov at forced-induction org for sales/id/showoff purposes (free hosting)]
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Ryan H Offline
Posting Freak
#12
Yes, I've actually changed the fluid twice, because it indeed did have gear oil in it. I changed it the first time with cheap Super Tech ATF and it made the gears quiet down a bit, then changed it again a few hundred miles later with Mobil 1. It got a little smoother and quieter, but the tranny still needs to be replaced. This isn't even worth rebuilding in my opinion because JY Mustang T-5's are so abundant in my area.
'88 TC Smile Walbro 255HP, Stinger FMIC, PIT BOV, Pro 5.0, Kirban, RR cam, FRPP strut tower brace, T3
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2birdsinthefalls887 Offline
Senior Member
#13
Ryan,
Beware, the 5.0 Mustang uses a different trans than our cars, find one from a 4- banger Mustang.
Just my 2 cents worth.
87 T/C,base, 5spd, bright red metalic, 136,000 miles. My pride and joy of the fleet.
88 Turbo Coupe,loaded 104,000,
88 Turbo Coupe,Fully loaded,
Been to Carlisle 2002,2003, 2004,2005,2006,2007
And damn proud to be a NATO member!
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Nate K Offline
Posting Freak
#14
Ryan, few years back I was having shifting problems and Jeff K. recommended that I try changing the fluid PLUS adding in a 4 oz. bottle of Friction Modifier. Took care of the problem and that's been two years or more. Seems to be common practice with alot of racers and gearheads. Give it a try.
NATO Member
3 - 88 TURBOCOUPES www.turbotbird.com/showroom/nk_88tc.html
90 Mustang LX 5.0L Notch

Cars I wish I still owned:
69 Coronet 440
70 Torino 351C
79 Bronco 351M/400 on 35's
79 Trans Am 403 (6.6L)
88 Cougar XR7 5.0L
93 F150 Flareside Mark III Custom 5.0L
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Asimov Offline
Senior Member
#15
Quote:Originally posted by 2birdsinthefalls887:
Ryan,
Beware, the 5.0 Mustang uses a different trans than our cars, find one from a 4- banger Mustang.
Just my 2 cents worth.


No offense, but the 5.0 5 speed's only difference from the 4 speed is the pilot bearing -- you can either do a bit of machine work on the 4 speed pilot bearing (I believe it's the one with the smaller hole), or you can change input shafts -- I've even read that the 4 cyl 5 speed input shaft is STRONGER than the v8's -- dunno if that's true or not, hopefully somebody will speak up and set us both straight Smile

------------------
1986 TC, 132k pretty well taken care of miles. k&n, [email protected], timing set at 12.5 (spout out), A/C delete. Very restrictive exhaust at the moment [email pics to asimov at forced-induction org for sales/id purposes (free hosting)]
-asi

1986 TC, 132k pretty well taken care of miles. k&n, [email protected], timing @ 12 (spout out), A/C delete. 3" Downpipe (no other exhaust... Whoever described that sound as a "pissed off tractor" hit the nail on the head)

[email pics to asimov at forced-induction org for sales/id/showoff purposes (free hosting)]
Reply

2birdsinthefalls887 Offline
Senior Member
#16
our cars transmissions have alot lower 1st gear than the 5.0, to get the big car with the 4 cyl. going from a stop. I have heard that 5th is a different ratio also.
87 T/C,base, 5spd, bright red metalic, 136,000 miles. My pride and joy of the fleet.
88 Turbo Coupe,loaded 104,000,
88 Turbo Coupe,Fully loaded,
Been to Carlisle 2002,2003, 2004,2005,2006,2007
And damn proud to be a NATO member!
Reply

teal95 Offline
Senior Member
#17
He was referring to that it bolts right in with the exception of the pilot bushing. I have a 5.0 T5 in my '88 TC with 4.10 gears.

steve
'83 & '84 GT turbo EEC-Tuner
'85.5 & '86 SVO twEECer
2x '87 & '88 TC QuarterHorse
'93 LX 5.0 notch Moates chips
3x '95 & '96 GT
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