C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Finally,a Bullet Proof U joint?Link Inside

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Old Apr 26, 2003 | 04:22 PM
  #1  
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Default Finally,a Bullet Proof U joint?Link Inside

TCI auto is advertising their U joints as being bullet proof.Im unsure if there are C4 corvette applications,but theres a GM cross reference chart/part numbers on there.
Just wanted to pass this along.
http://www.tciauto.com/yokes_u-joints.htm

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Old Apr 26, 2003 | 04:59 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Bill's86Coupe)

:cool: .. would be nice to find something that isn't going to break
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Old Apr 26, 2003 | 06:42 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Bill's86Coupe)

I donno... my first thought is Titanic... and it sunk.

my big question... if the ujoints don't break, what happens to the drive shafts?
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Old Apr 26, 2003 | 06:53 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (bogus)

Then you get srtonger driveshafts, then you get stronger U-joints, then you get stronger drive shafts, then you get... ; am I repeating my self. hot rodders R Us :D
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Old Apr 26, 2003 | 11:29 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Rynda)

Bulletproof is nice, but I don't plan on taking a gun to mine. Are the Corvette-proof? :D
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Old Apr 26, 2003 | 11:41 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Matt Black)

the 1350's are pretty much bulletproof anyway. problem is they dont fit our driveshafts.
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Old Apr 26, 2003 | 11:43 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Rynda)

Then you get srtonger driveshafts, then you get stronger U-joints, then you get stronger drive shafts, then you get... ; am I repeating my self. hot rodders R Us :D
and then you get a new rear end, cause your old D44 just puked all over the burnout box.
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Old Apr 27, 2003 | 12:23 AM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (bogus)

Then you get srtonger driveshafts, then you get stronger U-joints, then you get stronger drive shafts, then you get... ; am I repeating my self. hot rodders R Us :D

and then you get a new rear end, cause your old D44 just puked all over the burnout box.
It is a known fact that the halfshafts will twist first before anything else. I talked to someone who works for GM and he told me this. But as we strengthen all the "weak" parts, something will have to give, this is why I chose to keep the tires as my weak link. It's cheaper to replace, just gotta know how to drive it and all is well.
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Old Apr 27, 2003 | 10:30 AM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Mr Mojo)

i thought the the real weak link is the u joints on the driveshaft yokes??
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Old Apr 27, 2003 | 03:22 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (SonnyinVA)

I've NEVER broken a 1350 u-joint... I use them on my 1990 and on our NHRA Super Stock '66 Vette... C4 drive spindles are another story, but I've rectified that as well.
-Jeb
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Old Apr 28, 2003 | 08:51 PM
  #11  
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Default Re: Finally,a Bullet Proof U joint?Link Inside (jburnett)

C4 drive spindles are another story, but I've rectified that as well.
LoL, just ordered a set of Speed Demon billet spindles this afternoon :D. After baby launching with very good results Saturday I want to be able to play harder. Running the Tom's hardened spindles now but they too have their limits as I have found.
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Old Apr 29, 2003 | 01:20 AM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Vette92)

Has anyone broken an axle yoke? The spindles are 27 spline, do the axle yokes have a higher spline count?
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Old Apr 29, 2003 | 11:05 AM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (neverendingproject)

GM part # for drive shaft u-joint (1984-1996) is 14067678 which is the first one on the x-ref list for the TCI 961350 joint. However, GM # for halfshaft u-joint is 12522048 and they don't list a x-ref for that one.

Are these stornger than the HD Spicers?
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Old Apr 29, 2003 | 11:08 AM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (Mr6spd)

Twisted the right side stub axle in half about 2 years ago on my LT4 when the clutch came apart. Nice feeling when the wheel heads off on its own :cry Replaced with stock and have had no problems (with stub axles anyway) since.
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Old Apr 29, 2003 | 12:26 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (NavyVet)

I was going to buy the Speed Demon pieces...They're absolutely beautiful! But, I cryo-processed and retempered my stockers and haven't broken one since. Even with 9.91 ET's on a ZF car... I'll probably buy a set of the billet ones if these break though. But, for what it cost me to cryo them (since I OWN a cryo business) it was a better deal initially... Those billet ones ARE beautiful though.
-Jeb
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Old Apr 29, 2003 | 01:06 PM
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Default Re: Finally,a Bullet Proof U joint?Link Inside (jburnett)

But, for what it cost me to cryo them (since I OWN a cryo business) it was a better deal initially...
;)
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