Frame dimensions

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84GMCSierra

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Good Morning everyone. Would the frame on a 90 C30 be the same as my 84 C2500? I have a chance to get a receiver hitch cheap but want to make sure the frames are the same.
Standard long bed on both
 

nvrenuf

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'88+ C30 trucks should be the newer GMT400 body style which uses a completely different frame, my vote says it's not even close.
 

Grit dog

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I’d use my eyeballs and a tape measure.
If both bolt to the bottom of the frame rails, good chance it will work imo.
Heck I cobbed a received off a 1st Gen dodge back when there was no 2nd Gen, lol. Put it on a GMT400 pretty straight forward. Gas axed a few new holes in the receiver to match the holes in the truck frame. (Did not have a large enough drill bit nor the discretionary funds to purchase one, lol).
 

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