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- - Turbo 375 to 400 (https://67-72chevytrucks.com/vboard/showthread.php?t=739892)

ont_guy_38

06-11-2017 07:55 AM

Turbo 375 to 400

My turbo 375 is on its way out on my 85 short box. It has the long tail stock. Does anybody on here know if gm made a short box with a short tail stock 400 and a 1 piece driveshaft as my drive shaft be too short. All I'm really finding are the short ones for sale.

cadillac_al

06-11-2017 09:17 AM

Re: Turbo 375 to 400

Long tail shaft th400's used to be pretty common. I have no idea where they all went. Too bad you weren't closer because I have a nice 375 long tail shaft. I don't think it would be that hard to find a driveshaft that would fit a short shaft 400 or just have one built.

andrewmp6

06-12-2017 01:58 AM

Re: Turbo 375 to 400

You can have a driveshaft made for it,Many places online will or any big diesel shops local to you will just call and ask.

smokepole

06-12-2017 11:08 AM

Re: Turbo 375 to 400

I thought the 375 was just a TH400 with light duty internals. Have it rebuilt and upgrade the drums and hubs for more frictions and then you can use the tail shaft you already have. Ore you could buy a TH400 and have a shop put your tail shaft assemble on it.

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