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t5 swap 66 mustang 200

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bubba22349
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Location: Flagstaff, Az. 86005 near the old Route 66

Re: t5 swap 66 mustang 200

Post #101 by bubba22349 » Sun Mar 08, 2020 10:03 pm

Congrats on getting it all back togeather and drivable. The flywheel won't be out of balance but if it wasn't surfaced properly it could have a wobble this isn't very likely. You can check that with a dial indacator on its face surface (pressure plate side to check for any runout. Drive shaft is a possablity test it with the car securely up on jack stands run it in gear watching for any sign of wobbling up and down or turning it by hand use the dial indacator both next to the front yoke, at the rear yoke and also in the center checking it for any run out. One other thing you should check and maybe the first thing is that of your wheel and tire balance. Good luck and I hope you enjoy your new 5 speed. :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

Mach1Mark
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Re: t5 swap 66 mustang 200

Post #102 by Mach1Mark » Mon Mar 09, 2020 11:11 pm

Yes, I'm enjoying it. Drove it around today to do errands, its faster then I remember, and it's fun banging gears, even in heavy traffic.

I had it on Jack stands and yes the driveshaft is definitely out of balance, or that's the system of the problem. I called a driveshaft shop and the guy said it is rare for a driveshaft to go out of balance without some dent or accident. He said it might be the ujoints, (in which I changed),...or it may be the inner rear bearing of the transmission, but 2 transmission? So I might have it checked, but they want almost as much money to check it, as a new one.

Any suggestions on driveshaft wobble?

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chad
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Location: Lawrence Swamp, S. Amherst, MA

T5 swap 66 mustang 200

Post #103 by chad » Tue Mar 10, 2020 10:45 am

yes, they put it on a machine to spin/balance,
"Big thing is only make one change at a time. Change 2 or more things at a time it becomes difficult to figure which change helped or hurt" turbo2256b » 1/16/2017
Chad - '70 LUEB on '77 frame (i.e. PS, D44, trapezoidal BB 9", 4.11), '69 250ci, NV 3550 & DSII, "T" D20/PTO, 2" SL, 1" BL, 4 discs, 33"X15", tool boxes, etc. Seeking: Hydraulic gear motor for Koenig pto. chrlsful@aol.com (413) 259-1749

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bubba22349
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Posts: 9761
Joined: Sun Jan 03, 2010 4:46 pm
Location: Flagstaff, Az. 86005 near the old Route 66

Re: t5 swap 66 mustang 200

Post #104 by bubba22349 » Tue Mar 10, 2020 11:07 am

It depends were the wobble is. If it's in the center of the drivshaft then the driveshaft is bent and would need to be re- tubed or replaced with another shaft or else have a new shaft made. Sometimes if it's at the front yoke you can take it apart and turn the yoke 180 and get a better result.

He's right and gave you good advise this usually doesn't happen unless it's been bent or dented by an accident. And yes the transmissions tail shaft housing bushing could be worn out (yes even on two used transmissions) and need to be replaced this is the bushing that supports the front yoke. If it has excessive clearance the front yoke will wobble. Putting the front yoke into the trans and trying to move it sideways or up and down you can feel if this rear bushing is worn. I make it a practice to always replace this bushing during rebuilds or when replacing a front yoke with a new one. One other thing that can cause vibrations is an incorrect dive line angle. Good luck :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

Mach1Mark
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Posts: 53
Joined: Sun May 22, 2016 9:29 am

Re: t5 swap 66 mustang 200

Post #105 by Mach1Mark » Wed Mar 11, 2020 8:43 am

Thanks Bubba for the response and advice. Not sure where to start first, probably the bushing , it's the cheapest. Then give a whirl.

I believe the drive shaft had a wobble in it even with the Auto C4,... but not 100 percent. Then mabey I'll try the yoke. It is 50 yrs old , haha.

Again thanks, and the Saga continues.

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