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Old 01-07-2010, 02:00 PM   #1
chevelle
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5-lug to 8-lug

I've just been thinkin that i want to get my 67 longbed 1/2 ton able to tow my 24 foot enclosed trailer, and chevelle. has anybody swapped out a 5lug for 3/4 ton suspension parts? what all would i need?
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1966 chevelle malibu, Street/strip, 355, spare parts from my other chevelle, 12.82 @104 mph
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Old 01-07-2010, 02:48 PM   #2
keenan
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Re: 5-lug to 8-lug

ill trade my 8 lug components for you 5 lugs
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Old 01-07-2010, 02:53 PM   #3
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Re: 5-lug to 8-lug

That would be a good deal but I want to keep my parts to build another truck. I'm just wonderin what it's gonna take. Are the spindles different? What rearend should I use? Is my half ton frame not as strong as a 3/4 ton?
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1967 lwb, bigwindow, factory air (converted to Vintage Air), custom option,4.5- 6 drop, TBI injected 355, 700r4, 5 lug, daily driver.
1967 Chevelle Malibu Drag car, 355, brodix heads and intake, powerglide, 10.82 @ 123 mph
1966 chevelle malibu, Street/strip, 355, spare parts from my other chevelle, 12.82 @104 mph
1968 lwb parts truck
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Old 01-07-2010, 05:20 PM   #4
Shyguy
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Re: 5-lug to 8-lug

The frame on a 3/4 has extra bracing at the cross member for the carrier bearing.

The 3/4 ton trailing arms are stronger.

My 3/4 ton had a leaf spring on each side behind the rear axle along with heavier coil springs.

The easiest way to do the front end is to change out everything including the cross-memeber.

I am sure some else will chime in with more info

Danny
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Old 01-07-2010, 06:24 PM   #5
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Re: 5-lug to 8-lug

On the front, the spindles and lower control arms are different as well as some of the steering suspension.

On the back you'll want either the Dana 60 (better IMO due to it being more common) or Eaton ???. I know my 69 3/4 GMC has a Dana 60 with leafs. I had a 72 Chevy with the eaton, coil springs, and leaf overloads. I think if I were to do some towing, I'd go with leafs, remove a leaf or two, and then add airbags. That way you have a smoother ride when you're not hauling, but then air up the airbags to get your capacity back.

You can find a 3/4ton truck pretty cheap to get your parts from.
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Old 01-07-2010, 08:47 PM   #6
keenan
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Re: 5-lug to 8-lug

hmmmm seems like alot to do. I would like to do the trade but i dont even have my license yet to do anything but I always loved torque thrust rims and i cant use them with 8 luggers:[
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