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Old 10-08-2020, 10:36 PM   #1
Shinchan
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Default Maximum drive shaft diameter that fits in a 140?

Will a 3-inch diameter drive shaft fit into the tunnel on a '72 140? Trying to figure out if I can use a stock Mustang drive shaft without it rubbing on the tunnel.
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Old 10-09-2020, 02:12 AM   #2
gsellstr
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Depends on your ride height. I did run a 3", car isn't real low though. If I had a lot of weight in it, on hard bumps it would scrub the center bolt for the seat belts.
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Old 10-09-2020, 11:51 AM   #3
AndrewNance
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Lowered? I’d imagine any one piece driveshaft is going to rub if the car is any lower than stock.
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Old 10-09-2020, 01:05 PM   #4
Shinchan
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It'll be lowered 40mm. I'll probably shorten the seat belt bolt ans see what happens.

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Originally Posted by AndrewNance View Post
Lowered? I’d imagine any one piece driveshaft is going to rub if the car is any lower than stock.
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Old 10-09-2020, 04:11 PM   #5
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Quote:
Originally Posted by Shinchan View Post
It'll be lowered 40mm. I'll probably shorten the seat belt bolt ans see what happens.
You want to run a ~2" 2-piece driveshaft. Going with the single piece 3" is not going to work.
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Originally Posted by t8fanning View Post
My knob has a big chunk of steel on it
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Old 10-11-2020, 11:47 AM   #6
Shinchan
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No it is not. I'm going to just get the stock 2-piece resized for the T5.
I'm only making 130hp tops, so the stock shafts should hold up just fine.

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Originally Posted by Harlard View Post
You want to run a ~2" 2-piece driveshaft. Going with the single piece 3" is not going to work.
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Old 10-12-2020, 01:27 PM   #7
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Yeah, at a 40mm drop, there's no way you'd be able to run a 3". Sounds like you're on the right track.
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