Frame Width

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

custodian

Full Access Member
Joined
Apr 15, 2016
Posts
959
Reaction score
554
Location
Catawba
First Name
William
Truck Year
1973, 1985
Truck Model
C10
Engine Size
5.3 LS, 350
Can someone tell me if the 73-87 C10 frame width is wider or the same as a 67-72 C10?
 

PrairieDrifter

Full Access Member
Joined
Dec 28, 2014
Posts
3,472
Reaction score
4,601
Location
North Dakota
First Name
Mason
Truck Year
84,79,77,70,48
Truck Model
Suburban k10, bonanza k10, c30 C&C, c10, gmc 1/2ton
Engine Size
350, 350, 350, 350, 350
Off the top of my head I wouldn't know. I can get you 79k10 vs 70c10 measurements by next week if no one else can by then. I only have a c30 square, which would be different.
 

PrairieDrifter

Full Access Member
Joined
Dec 28, 2014
Posts
3,472
Reaction score
4,601
Location
North Dakota
First Name
Mason
Truck Year
84,79,77,70,48
Truck Model
Suburban k10, bonanza k10, c30 C&C, c10, gmc 1/2ton
Engine Size
350, 350, 350, 350, 350
The frames should be the same between c10 and k10, if I'm not mistaken.
 

Bextreme04

Full Access Member
Joined
May 13, 2019
Posts
4,206
Reaction score
5,112
Location
Oregon
First Name
Eric
Truck Year
1980
Truck Model
K25
Engine Size
350-4bbl
Off the top of my head I wouldn't know. I can get you 79k10 vs 70c10 measurements by next week if no one else can by then. I only have a c30 square, which would be different.

the width should be the same for C/K10,20,30. The C/K30 has a taller frame but is the same width I believe. The cab and chassis ones are narrower in the rear I believe though.
 

PrairieDrifter

Full Access Member
Joined
Dec 28, 2014
Posts
3,472
Reaction score
4,601
Location
North Dakota
First Name
Mason
Truck Year
84,79,77,70,48
Truck Model
Suburban k10, bonanza k10, c30 C&C, c10, gmc 1/2ton
Engine Size
350, 350, 350, 350, 350
the width should be the same for C/K10,20,30. The C/K30 has a taller frame but is the same width I believe. The cab and chassis ones are narrower in the rear I believe though.
I do have a cab and chassis truck. I figured the same, as all the cabs will bolt on and what not, but just wanted to get two equal examples.
 

Ricko1966

Full Access Member
Joined
Apr 11, 2017
Posts
4,105
Reaction score
5,964
Location
kansas
First Name
Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
Can someone tell me if the 73-87 C10 frame width is wider or the same as a 67-72 C10?

Please tell me what you've got going on. Because I've been contemplating 70 c body on 75 k chassis
 

Bennyt

Full Access Member
Joined
May 17, 2019
Posts
1,046
Reaction score
1,471
Location
Surprise
First Name
Ben
Truck Year
1977
Truck Model
C10
Engine Size
350
Please tell me what you've got going on. Because I've been contemplating 70 c body on 75 k chassis

Building a Trazer? Off road buggy with a fabricated bed?
 

bucket

Super Moderator
Staff member
Super Moderator
Joined
Aug 3, 2010
Posts
29,127
Reaction score
24,038
Location
Usually not in Ohio
First Name
Andy
Truck Year
'77, '78, '79, '84, '88
Truck Model
K5 thru K30
Engine Size
350-454
@custodian I'm really curious what sparked the original question. What is the goal? Various frame related swaps have been done with both of those truck generations.
 

Ricko1966

Full Access Member
Joined
Apr 11, 2017
Posts
4,105
Reaction score
5,964
Location
kansas
First Name
Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
@custodian I'm really curious what sparked the original question. What is the goal? Various frame related swaps have been done with both of those truck generations.

I asked about this swap a couple months ago, didn't get a single response.I'd rather learn from someone else's mistakes so I avoid some of the pitfalls if I do this. I just happen to have the parts laying around, so thought it might make a cool truck. I by dumb luck ended up with a complete drivable square but the entire body and glass are gone. Someone bought it to strip for their rusty truck. So complete driveable cab no doors no glass no instruments just a bare cab with seats. And I have a 70 been sitting at least 30 years no engine, no transmission wheels won't turn. So it kinda makes sense to me.
 
Last edited:

bucket

Super Moderator
Staff member
Super Moderator
Joined
Aug 3, 2010
Posts
29,127
Reaction score
24,038
Location
Usually not in Ohio
First Name
Andy
Truck Year
'77, '78, '79, '84, '88
Truck Model
K5 thru K30
Engine Size
350-454
I asked about this swap a couple months ago, didn't get a single response.I'd rather learn from someone else's mistakes so I avoid some of the pitfalls if I do this. I just happen to have the parts laying around, so thought it might make a cool truck. I by dumb luck ended up with a complete drivable square but the entire body and glass are gone. Someone bought it to strip for their rusty truck. So complete driver no doors no glass no instruments just a bare cab with seats. And I have a 70 been sitting at least 30 years no engine, no transmission wheels won't turn. So it kinda makes sense to me

I mean, the answers depend heavily on the goal. Like the 2wd front suspension and crossmember supposedly swaps from new to old with some hole drilling. Rear bumper brackets and hitches should swap around, maybe with some hole drilling too. But for full body swaps, it's been done a bunch. I've not done it, but I've seen many '67-'72 trucks swapped to 4 wheel drive, utilizing a '73-'87 frame and running gear. I'm pretty sure the body mounts are in the correct location for standard cab trucks, but there's a height difference maybe? At any rate, it's been done, but I'm sure there's oodles of minor annoyances to deal with.
 

Ricko1966

Full Access Member
Joined
Apr 11, 2017
Posts
4,105
Reaction score
5,964
Location
kansas
First Name
Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
My goal is 70c body on 75 k frame if it sits a little higher than stock thats fine.Didnt figure it would be too big of deal. I've got a gantry crane, Mig, stick, oxy acetylene, a plasma cutter and a chop saw. Done plenty of other stupider stuff.Still wanted to hear some ups and downs from those that have gone before me.
 
Last edited:

Bennyt

Full Access Member
Joined
May 17, 2019
Posts
1,046
Reaction score
1,471
Location
Surprise
First Name
Ben
Truck Year
1977
Truck Model
C10
Engine Size
350
I don't understand your post.

My mistake. I misread your post. I thought you were putting a cab on a K5 Frame which is popular in the offroad world as it makes a nice short wheelbase truck called a Trazer. I now realize it is a Cab swap onto a '75 K Frame, I read it as K5.
 

Forum statistics

Threads
42,186
Posts
910,918
Members
33,678
Latest member
tnahaus
Top