Need some help here, please.. - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Albatrossian · 01-13-2009, 08:38 PM

The time has finally come for me to replace the dead 700R4 in my truck. I'm going to be swapping it with a short tail TH350 which is 3" shorter. When I called to check the prices to have my driveshaft lengthened, they quoted me a price around $200 to have the work done. But, since the LWB driveshafts are longer, having one cut down will be far cheaper.. about $35. Does anyone have a measurement of a LWB shaft they can give me so I can hunt one up in a yard? And maybe the width of the yoke on the welded end? I've got a 10-bolt rear, if that helps..
Thanks!

tvblazer78 · 01-13-2009, 09:32 PM

Anyone?

87c10slammer · 01-13-2009, 09:38 PM

if you dont have it by the morning ill jack my truck up and get it for ya... right now its dark and i dont have the battery hooked up to the air ride

D13 · 01-14-2009, 07:55 AM

Why didn't you get the correct length 350? One of the housing lenghts is the same as a 700. Same splines. All you would need to do is move the trans support and change cables.

Just curious.

Albatrossian · 01-14-2009, 07:24 PM

Well, I'm getting the short tail 350 for a really good deal and it'd be a shame to pass it up..

01-13-2009, 08:38 PM	#1
Albatrossian Georgia Boy Join Date: Jun 2008 Location: Douglas, Georgia Posts: 370	Need some help here, please.. The time has finally come for me to replace the dead 700R4 in my truck. I'm going to be swapping it with a short tail TH350 which is 3" shorter. When I called to check the prices to have my driveshaft lengthened, they quoted me a price around $200 to have the work done. But, since the LWB driveshafts are longer, having one cut down will be far cheaper.. about $35. Does anyone have a measurement of a LWB shaft they can give me so I can hunt one up in a yard? And maybe the width of the yoke on the welded end? I've got a 10-bolt rear, if that helps.. Thanks! __________________ 81 GMC High Sierra, 2WD, 357ci/700R4, 3.73s, posi.

01-13-2009, 09:32 PM	#2
tvblazer78 Low & Fast! Join Date: Jan 2007 Location: Knoxville, TN Posts: 3,110	Re: Need some help here, please.. Anyone? __________________ Southeastern Mini Truckin' Nationals April 27 and 28, 2012

01-13-2009, 09:38 PM	#3
87c10slammer truck addict Join Date: Apr 2008 Location: levittown pa Posts: 154	Re: Need some help here, please.. if you dont have it by the morning ill jack my truck up and get it for ya... right now its dark and i dont have the battery hooked up to the air ride

01-14-2009, 07:55 AM	#4
D13 Registered User Join Date: Feb 2007 Location: Memphis MI Posts: 1,851	Re: Need some help here, please.. Why didn't you get the correct length 350? One of the housing lenghts is the same as a 700. Same splines. All you would need to do is move the trans support and change cables. Just curious. __________________ 1987 2 ton 1982 250/TH350 beater in progress Dad's 1981 3/4 L6 3 on tree posi and no options, awaiting restoration or scrapping Plus a mess o' tractors

01-14-2009, 07:24 PM	#5
Albatrossian Georgia Boy Join Date: Jun 2008 Location: Douglas, Georgia Posts: 370	Re: Need some help here, please.. Well, I'm getting the short tail 350 for a really good deal and it'd be a shame to pass it up.. __________________ 81 GMC High Sierra, 2WD, 357ci/700R4, 3.73s, posi.

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