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#1 |
Registered User
Join Date: Apr 2004
Location: Rossford,Ohio
Posts: 291
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I have been looking around the FaQ http://67-72chevytrucks.com/vboard/s...ad.php?t=35042
I know this post is old but was wondering if anyone could tell me the difference in lca from a 1/2 ton and a 3/4 ton lca. If there is no difference it would be a good alternative to aftermarket swaps. And another question, I thought i read that 73 and up spindals work with later model 6 lug disks? I cant remember where at or if it even worked.Any help would be appreciated, Eric
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69 chevy stepside (project) ![]() 2006 Silverado Z71 Ext. cab ![]() 2005 Saturn VUE (wifes dd) |
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#2 |
Hellasick
![]() Join Date: Jul 2006
Location: Death Moans, IA
Posts: 876
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Re: disk question
The only difference is the 3/4 uses a larger ball-joint. Since it presses in the hole in the 1/2 is too small. The upper just bolts in and is ok. Any '67-87 3/4 lcr would work, I believe. Its just that if you went to say '71-87 I would get the upper to match just so the mounting bushings are all the same.
No one has found a factory 6-bolt that is a direct replacement. The prob. with using those 88-92 (if memory serves) is the distance from the back of the rotor to the inner bearing/seal is different. Thus the rotor does not line up in the caliper.
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I keep two MAGNUMS in my desk. One's a gun, and I keep it loaded. The other's a bottle and it keeps ME loaded. I'm Tracer Bullet. (Calvin and Hobbes) This life was a test. It was only a test. If this had been an actual life, you would have received instructions on where to go and what to do. RED meat is not bad for you...FUZZY BLUE/GREEN MEAT is bad for you!!!!!!!!!!!!! BUILT FORD TOUGH WITH CHEVY STUFF--sticker at Goodguys |
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#3 |
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Join Date: Apr 2004
Location: Rossford,Ohio
Posts: 291
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Re: disk question
By 3/4 you mean 8 lug? Or does 6 lug also qualify? 5 lug is 1/2 ton
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#4 |
Hellasick
![]() Join Date: Jul 2006
Location: Death Moans, IA
Posts: 876
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Re: disk question
The thread you were looking at was on using the "light-duty" 3/4 ton 6-bolt rotors. They were made from '88-'92 and had 6 lugs instead of the standard 8. They used the standard 3/4 ton ball joints, I think.
The ones I have seen had W/T (work truck) after the 2500, like the 1500 W/T's that had the v6's.
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I keep two MAGNUMS in my desk. One's a gun, and I keep it loaded. The other's a bottle and it keeps ME loaded. I'm Tracer Bullet. (Calvin and Hobbes) This life was a test. It was only a test. If this had been an actual life, you would have received instructions on where to go and what to do. RED meat is not bad for you...FUZZY BLUE/GREEN MEAT is bad for you!!!!!!!!!!!!! BUILT FORD TOUGH WITH CHEVY STUFF--sticker at Goodguys |
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#5 |
Registered User
Join Date: Apr 2004
Location: Rossford,Ohio
Posts: 291
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Re: disk question
I found this post seems to answer my question
http://67-72chevytrucks.com/vboard/s...d.php?t=403713 going to try this
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69 chevy stepside (project) ![]() 2006 Silverado Z71 Ext. cab ![]() 2005 Saturn VUE (wifes dd) |
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#6 |
Hellasick
![]() Join Date: Jul 2006
Location: Death Moans, IA
Posts: 876
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Re: disk question
Looks good.
__________________
I keep two MAGNUMS in my desk. One's a gun, and I keep it loaded. The other's a bottle and it keeps ME loaded. I'm Tracer Bullet. (Calvin and Hobbes) This life was a test. It was only a test. If this had been an actual life, you would have received instructions on where to go and what to do. RED meat is not bad for you...FUZZY BLUE/GREEN MEAT is bad for you!!!!!!!!!!!!! BUILT FORD TOUGH WITH CHEVY STUFF--sticker at Goodguys |
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#7 |
Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: disk question
One other difference I have noticed between 1/2 and 3/4 ton is the control arm bushings. On 73-up, at least one of the 3/4 tons I looked at still used the older type bushings that have to be greased. Is this true for all 73-87, or was the one I saw just an oddball?
Ray |
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