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Old 07-05-2011, 05:11 PM
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Need info on swapping parts on 66 chevy truck

I'm looking at buying a 1966 chevy c-30 thats a dually that i have some questions about.

i was wondering if i could swap a single wheel rear end under it from a late 60's or 70's truck?

Will a bed from another early 60's model truck fit it or are the frames different measurements?

Is $500 a good price for one the runs and drives and isn't rusted out hardly at all with no bed?

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Old 07-06-2011, 04:50 AM
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You can do the swap but the front and rear won't track anymore and it will look goofy.
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Old 07-06-2011, 12:53 PM
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Price sounds pretty good.
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Old 07-07-2011, 10:16 PM
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wouldn't it work if i put different rims on the front?
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Old 07-08-2011, 04:05 AM
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No because the dually has a big offset hub on the front so it can run the dually type wheel up there. You may physically bolt on a 3/4 ton wheel (seen it done btw) but the wheel will be spaced way too far out and that will look even goofier yet. Why not just leave it a dually? They are pretty cool in their own right. Bad thing is the split rims if they are original, or even worse yet it might be 17s.
The best way to switch it over to single wheels and do it right is to find a donor truck and change the necessary front end parts too.
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Old 07-08-2011, 11:23 AM
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I wasn't sure about the spacing on the front thats why i asked. thanks for the answers. i've got a 69 c-20 settin in the fence row would the hubs from it work on the front?
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Old 07-09-2011, 09:44 PM
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you can but you have to swap all the parts and they have to be the same model axle as well GM trucks used dana 60 rears under most of the C20 trucks but also the eaton HO52

so you gotta watch that

most of these dana axle equipped trucks were leaf spring rear, and most of the eaton axle equipped trucks were coil spring rear, but not always!

the C20 trucks were random like this these years from 1947 to 1972

all the C30 trucks were le;af spring and 40" apart leaf packs

so you would need to move the pads on the axle tube housings to make them 40" on the C20 axle

the C20 and less trucks were 42.5" apart

or you could remove and swap the leaf packs and hanger brackets and all from the C20 truck and put on the C30 chassis

or just swap the C30 body onto the C20 chassis and save all the headache of swapping all the C30 suspension and brakes and frame parts and then have a coil suspension truck most likely(if the 20 truck is a coil rear truck anyways) and most of the 20- trucks with dana rear were pow-r-lok locking diff axles which is great, the 30 trucks usually were just open diff standard nothing special and with the dual wheel package were an insane 5.13 ratio with no top speed at, not good for anything except in town driving.


you will want to swap entire rear axle regardless because you will run into axle shaft length issues among other things

i love the duallies especially the 72 older ones its too bad youre gonna do this to one id love to find me another dually 72 older chevy to drive i miss all the ones i had

theyre awesome trucks and easy to drive and the 6 cyl ones were great on gas and everything and ran forever

hmm


but good luck!

if you want to know any technical specs or RPO package specs or chassis dimensions info then let me know, i have and know them on these trucks, these were my first and always will be my first love. i grew up on these trucks and miss them all.

the rims were 17.5 and 19.5 available, other than 16.5

and you coild order a H110 axle under the dual wheel trucks and it was the eaton 11000lb axle and it had square axle tube housings and 10 bolt lugs only on the rear, the front were i think 6, i havent ever seen one in person yet but ive seen pics and all the literature and package info etc.

basically is like a 1.5 ton axle under a 1 ton
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Old 07-10-2011, 10:50 AM
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Thanks for the info fast thats what i was looking for. Seeing as how much work its gonna take i may just look into swapping gears in the rear instead. I'm still kinda up in the air on what i'm gonna do though. The one i'm looking at has a 283 with a four speed.
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