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05-09-2010, 10:01 PM
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#1 |
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Registered User
Join Date: Dec 2009
Location: Milroy Pa
Posts: 17
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1986 gmc swb 8 inch lift question?
I have a 1986 gmc swb with a turbo 350 and np203 t case and was wondering if stock drive shafts could be used with an 8 inch suspension lift? Tell me what your experiences with this are and if it can be done.. Thanks guys
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05-09-2010, 10:41 PM
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#2 |
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Registered User
Join Date: Jul 2006
Location: Central PA
Posts: 12,201
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Re: 1986 gmc swb 8 inch lift question?
no experience but I doubt it... I've always heard that 6" or more usually requires driveshaft work and/or axle or transfer case clocking....
__________________
The Garage: 1968 K-10 SWB - "Project Money Pit" 1996 Z-71 - "huntin rig" 1969 C-10 LWB (SOLD) "Project flip that truck or else" 1993 Passport, F@rd 1-ton (SOLD)"Project Cousin Eddie" My Garage Build "The 1,000 footer" Last edited by msgross; 05-10-2010 at 06:44 AM. |
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05-10-2010, 06:13 AM
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#3 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: 1986 gmc swb 8 inch lift question?
msgross is right, the CV joint will not travel far enough to meet the front differential. The whole shaft is not long enough anyway, so you will need a driveline shop to help you out with this one. The rear will need to be longer too, but the joint angle will not be a problem, since it is quite a bit longer.
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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05-12-2010, 02:42 AM
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#4 |
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Chevys Kick A$$
Join Date: Jan 2005
Location: Zootown, MT
Posts: 12,699
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Re: 1986 gmc swb 8 inch lift question?
Yea you will need to run longer drive shafts go talk to a drive line shop about this. Usually anything over 4" of lift and they need to change sometimes 6" if your lucky. I would get rid of that 203 if your gonna run big tires buddy!
__________________
*HOODS is what I answer too* -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold  -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit   -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER  I would rather push a Chevy then drive a ford!!
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05-12-2010, 07:53 PM
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#5 | ||
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: 1986 gmc swb 8 inch lift question?
Quote:
__________________
You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right.
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05-17-2010, 03:05 PM
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#6 |
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Registered User
Join Date: Dec 2009
Location: Milroy Pa
Posts: 17
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Re: 1986 gmc swb 8 inch lift question?
Sorry for not replying back ive been really buisy. yes you are correct it shouldnt have a 203 or a turbo 350 i put them both in there. I have a 205 to put in it but i just wanted to know if it would work for now with the stock driveshafts and the 203 till i had the money to have drive shafts made. Thanks for the replys I'll be puttin the lift on it by about the middle of next week so i'll just have to figure it out from there. Thanks again for the replys.
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05-17-2010, 07:37 PM
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#7 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,469
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Re: 1986 gmc swb 8 inch lift question?
My old truck had a 6" lift and the front shaft wouldn't work. Dunno bout the rear, swapped a 14ff the same time I lifted it.
__________________
2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS |
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06-03-2010, 05:11 AM
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#8 |
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Registered User
Join Date: Dec 2009
Location: Milroy Pa
Posts: 17
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Re: 1986 gmc swb 8 inch lift question?
Well i got the 8 inch suspension lift on and it didnt pull the rear drive shaft out as far as i figured it would but it will need to be about 2 and half inches longer. I dont know about the front one yet i havent tried to bolt it on, it was 3 inches to long already so im hoping it will work now.
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06-06-2010, 10:57 PM
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#9 |
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Registered User
Join Date: Dec 2009
Location: Milroy Pa
Posts: 17
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Re: 1986 gmc swb 8 inch lift question?
Here's the truck with 8 inch suspension and 3 inch body lift. It's sittin on 35's for now.
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