Frame swap

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ShortTempered87

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Oct 8, 2024
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Location
Michigan
First Name
Tazhia
Truck Year
1987
Truck Model
K25
Engine Size
454
Hi I have a TON of questions as this is my first build and I'm just not sure where to even start at. I've always had a love for old vehicles especially squarebody trucks but more of just the look and the sound lol. Now I'm trying to build 1 and need some help and this is the place I was pointed to.
So I guess first off I have a 1979 gmc k25, the frame is shot so I found another 1 it's off an 87 k25. Will this frame work for my project?
 

Strick

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Nov 25, 2020
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Location
Dunn, NC
First Name
Harold
Truck Year
1979
Truck Model
C20 Crew
Engine Size
350
The frame horns on the front are a bit different & there are more holes cast into the rear of the frame as well. Seems like some of the forward bed mounts are different too. It will work without much modification though.

HS
 

fast 99

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Dec 31, 2021
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Location
Spokane, Washington
First Name
Brian
Truck Year
81,85
Truck Model
K20
Engine Size
350
Did a frame swap on an 81 gas to an 85 diesel. Had to change brackets for springs and emergency brake among other minor changes. Really nothing to involved.

If needed, making holes in frame material is much easier with a reamer.
 

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