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Old 08-09-2009, 09:11 AM   #1
TonyJohnson
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Truck run rough? Change the u-joints!

This may seem obvious, but I just had to post how much better my truck rides with new u-joints. Wow, what a difference... I always thought it was a combination of the 33s, 205, sm465 and stiff springs that made it rough at speed. Now it's pretty nice at 65mph.

Still a truck, of course...
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-- '71 Blazer w/L-31 Vortec 350, SM465, NP205, performer intake, edelbrock 1406, HEI, 4" lift, Boyd EFI tank, Vintage A/C My Blazer --

Last edited by TonyJohnson; 08-09-2009 at 10:43 AM.
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Old 08-09-2009, 10:41 AM   #2
LONGHAIR
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Re: Truck run rough? Change the u-joints!

Drive shaft? or front axle?
I am assuming that you are refering to the rear drive shaft and that you had a vibration of some kind...
But be aware that if the front axle joints get stiff on you, replacing them will make a huge difference in the way it drives too.

BTW, this is how it rides or drives......not how it runs.
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As for reading directions...
The directions are nothing but another man's opinion.
Learn from the mistakes of others, you won't live long enough to make them all yourself...

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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Old 08-09-2009, 10:47 AM   #3
TonyJohnson
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Re: Truck run rough? Change the u-joints!

Quote:
Originally Posted by LONGHAIR View Post
Drive shaft? or front axle?
I am assuming that you are refering to the rear drive shaft and that you had a vibration of some kind...
But be aware that if the front axle joints get stiff on you, replacing them will make a huge difference in the way it drives too.

BTW, this is how it rides or drives......not how it runs.
I was referring to the rear shaft, but I'm sold on doing the fronts, as well. The vibration in the rear shaft got bad enough it felt like the clutch going out... lol.

Good point ont runs vs rides. I changed it in the body of the post, but can't change the title.
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