TH400 Yoke ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

colohusker · 08-28-2002, 10:43 PM

A friend has a TH400 with a bolt on yoke, but needs to convert to a slip on yoke, and he was wondering what are the steps to do it? Is it just unbolting the yoke, and then slipping the other yoke on?

Thanks,
Scott

Jeff M. · 08-28-2002, 11:08 PM

You got it. Just take the bolt out and tap the yoke off. The 400 slip yolk will slide right on.

colohusker · 08-28-2002, 11:59 PM

Thanks Jeff! Do you know if there is a length difference between the 2 requiring any changes to the driveshaft length?

Jeff M. · 08-29-2002, 08:20 AM

Hmmm. Really don't know. You're talking about the drive shaft I assume. I'm kinna thinking the slip yoke type may be a bit longer. The u-joint flange on the bolt on yoke goes from the trans to the drive shaft in a pretty short distance. Not a major problem because shortening the drive shaft is not too expensive and a lot of machine shops can do that. But honestly, I really don't know without having the yokes in front of me.

08-28-2002, 10:43 PM	#1
colohusker Registered User Join Date: Apr 2002 Location: Longmont, CO Posts: 436	TH400 Yoke ? A friend has a TH400 with a bolt on yoke, but needs to convert to a slip on yoke, and he was wondering what are the steps to do it? Is it just unbolting the yoke, and then slipping the other yoke on? Thanks, Scott __________________ ------------------------------------------------ I say it's only money, my wife says it's only a truck.... '71 C10 Deluxe, factory ac, ps, pb, should be done by 2102 Longmont, CO husker95@hotmail.com

08-28-2002, 11:08 PM	#2
Jeff M. Registered User Join Date: Feb 2000 Location: Pixley, Ca. Posts: 486	You got it. Just take the bolt out and tap the yoke off. The 400 slip yolk will slide right on. __________________ 69 C-10 CST Short Fleet, Factory Air, BB427-400 Auto-2400 stall-tilt-cruise-Tach & Vac Gagues, 4/6 drop, power one piece side windows, Eaton posi.

08-28-2002, 11:59 PM	#3
colohusker Registered User Join Date: Apr 2002 Location: Longmont, CO Posts: 436	Thanks Jeff! Do you know if there is a length difference between the 2 requiring any changes to the driveshaft length? __________________ ------------------------------------------------ I say it's only money, my wife says it's only a truck.... '71 C10 Deluxe, factory ac, ps, pb, should be done by 2102 Longmont, CO husker95@hotmail.com

08-29-2002, 08:20 AM	#4
Jeff M. Registered User Join Date: Feb 2000 Location: Pixley, Ca. Posts: 486	Hmmm. Really don't know. You're talking about the drive shaft I assume. I'm kinna thinking the slip yoke type may be a bit longer. The u-joint flange on the bolt on yoke goes from the trans to the drive shaft in a pretty short distance. Not a major problem because shortening the drive shaft is not too expensive and a lot of machine shops can do that. But honestly, I really don't know without having the yokes in front of me. __________________ 69 C-10 CST Short Fleet, Factory Air, BB427-400 Auto-2400 stall-tilt-cruise-Tach & Vac Gagues, 4/6 drop, power one piece side windows, Eaton posi.



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