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kalger

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Location
Silverton, Oregon
First Name
Ken
Truck Year
1975
Truck Model
1500
Engine Size
350
Greetings and salutations.

I purchased a 1975 GMC C1500 at the beginning of October 2022 and recently found this forum. I just wanted to say howdy and see what top-of-mind items I should be looking at investigating as a new square body owner.

Here's what's on the list currently:

Done:
Valve cover leak (fixed)
Coolant system flush & replace all hoses (fixed)
Spark plugs & wires (replaced)
Rear differential oil change

Todo:
Oil pan gasket replacement
Transmission filter & gasket replacement
"taco hood" resolution
Fix temperature sensor gauge (replaced sending unit)
Fix speedometer (replaced very dry speedometer cable)


There are a few other odds and ends on the list, but I'm curious about what else I should look for in this series of vehicles.

Thanks,
Ken
 

animal

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Location
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Lee
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Truck Model
c10 silverado
Engine Size
350ish
:welcome: This group can help you spend all the money ya got! Post up some pics when you can.
 

kalger

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Location
Silverton, Oregon
First Name
Ken
Truck Year
1975
Truck Model
1500
Engine Size
350
Here's where I started. :)
 

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WFO

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Location
Texas Panhandle
First Name
Dan
Truck Year
1986
Truck Model
K20
Engine Size
350
Welcome from the Texas Panhandle.
 

Snoots

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Location
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First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
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Strick

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Location
Dunn, NC
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Harold
Truck Year
1979
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C20 Crew
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Welcome from NC.
 

oldretiredafguy

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N. Texas
First Name
Mike
Truck Year
1988, 1988, 1991, 1983
Truck Model
GMC V-Jimmy, GMC Suburban 4WD, GMC Suburban 4WD, GMC-2500 CrewCab
Engine Size
350, 350, 350, 350
Welcome to the forum from N. Texas!

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Very nice looking truck. That bed should be pristine with the shell on it.
 

kalger

Junior Member
Joined
Nov 3, 2022
Posts
27
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42
Location
Silverton, Oregon
First Name
Ken
Truck Year
1975
Truck Model
1500
Engine Size
350
The shell apparently leaked enough or was put on late enough that the bed is severely rusted out towards the cab. Open to suggestions on how to tackle rusted bed repairs.
 

oldretiredafguy

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Truck Model
GMC V-Jimmy, GMC Suburban 4WD, GMC Suburban 4WD, GMC-2500 CrewCab
Engine Size
350, 350, 350, 350
The shell apparently leaked enough or was put on late enough that the bed is severely rusted out towards the cab. Open to suggestions on how to tackle rusted bed repairs.
Floor only, or bedsides and front panel as well?
 

kalger

Junior Member
Joined
Nov 3, 2022
Posts
27
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Location
Silverton, Oregon
First Name
Ken
Truck Year
1975
Truck Model
1500
Engine Size
350
Without a 100% exploration of rust into the front panel, it looks to be in decent shape. The bed itself is the largest concern and one that I don't have any experience attacking.
 

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78C10BigTen

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Location
pennsylvannia
First Name
Ted
Truck Year
1978
Truck Model
C10 BIG TEN
Engine Size
350
Dont look too bad to me
 

oldretiredafguy

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Mike
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Truck Model
GMC V-Jimmy, GMC Suburban 4WD, GMC Suburban 4WD, GMC-2500 CrewCab
Engine Size
350, 350, 350, 350
Best bet is to find one of the forum members with a rusted out rear section that will sell you their good front section. Simple for a good body man to cut out the old and splice in the new. Or just find a new bed out of the plenty of squares that you folks seem to have in the PNW.
 

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