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Chris_R

Junior Member
Joined
Mar 18, 2021
Posts
3
Reaction score
2
Location
Albuquerque
First Name
Chris
Truck Year
1976
Truck Model
K5 Blazer
Engine Size
350 ci
Good morning, y'all. Last Sunday I took ownership of a '76 K5. It's definitely a work in progress, but I can drive him around once in a while. This is my second square body, but I haven't owned one in 21 years.

My first was a '76 K10 long bed step side, 250 I6, manual, in that beautiful yellow green. I got it in high school, and in my ignorance, let my parents sell it a while after I joined the military.

My K5 originally had a 400 4bbl, Cheyenne package, but now she runs a 350 2bbl. My two biggest areas of concern are that two owners ago, the rear diff was geared to 3.73, but the front remained a 3.08. So, it's been driven unknown miles in Hi Lock on the NP203 with no front drive shaft.

Also, the guy I bought it from replaced the parking brake cable, pads&rotors, drums&shoes, and bled the brakes multiple times, but the brake light remains on, and it never stops never stopping...

There are other things going on, but I'm very happy to be back in a Square Body.

Cheers to everyone else on forum, and to the other new members.
 

WFO

Full Access Member
Joined
Jan 6, 2017
Posts
3,688
Reaction score
5,035
Location
Texas Panhandle
First Name
Dan
Truck Year
1986
Truck Model
K20
Engine Size
350
Welcome from the Texas Panhandle.
 

animal

Super Moderator
Staff member
Super Moderator
Joined
Jul 30, 2010
Posts
5,603
Reaction score
3,849
Location
Georgia
First Name
Lee
Truck Year
1986
Truck Model
c10 silverado
Engine Size
350ish
:welcome:
 

HOTFOOT

Full Access Member
Joined
Feb 29, 2020
Posts
474
Reaction score
1,041
Location
northwest ct
First Name
michael
Truck Year
1980
Truck Model
gmc k3500 srw
Engine Size
400
Welcome from Connecticut and thank you for your service :patriot:
 

1973c10

Full Access Member
Joined
Sep 25, 2015
Posts
6,376
Reaction score
24,019
Location
Oregon
First Name
Don
Truck Year
1973
Truck Model
C10
Engine Size
454
Welcome :boti:
 

Turbo4whl

Supporting Member
Supporting Member
Joined
Oct 30, 2019
Posts
3,126
Reaction score
7,257
Location
Downingtown, PA
First Name
Wayne
Truck Year
1974
Truck Model
Jimmy
Engine Size
350
Welcome.

The good news about the 203 transfer case; The main failure was the front drive chain would stretch. This gear box was one of New Process Gear's first transfer cases with a chain. It was designed without a chain tensioner. So, the chain would stretch and fail.

Running just the rear axle in lock, means there has been no load on the chain, so all the miles without the front axle driving has no load to help stretch the chain.
 

86 SCOTTSDALE

Full Access Member
Joined
Apr 10, 2019
Posts
360
Reaction score
281
Location
Oakham MA
First Name
Armand
Truck Year
1986
Truck Model
K10
Engine Size
305
Welcome from Mass fellow veteran.
 

Babs

Full Access Member
Joined
May 10, 2020
Posts
1,945
Reaction score
9,608
Location
Ottawa Valley
First Name
Paul
Truck Year
1976
Truck Model
Chevrolet CUCV
Engine Size
350
:welcome:
 

Powerhouse Ranch

3G Connoisseur
Joined
Jan 6, 2021
Posts
1,465
Reaction score
2,629
Location
PA
First Name
Luke
Truck Year
1980 & 1988
Truck Model
C25 & V15
Engine Size
454 & 350
Welcome!
 

RedBeard_83

Full Access Member
Joined
Mar 16, 2020
Posts
554
Reaction score
872
Location
Florida
First Name
Cory
Truck Year
1986
Truck Model
Custom deluxe
Engine Size
Sbc 350
Welcome from Florida
 

Big Ray

Full Access Member
Joined
Oct 14, 2022
Posts
1,243
Reaction score
4,255
Location
North Carolina
First Name
Ray
Truck Year
1979
Truck Model
K5
Engine Size
400
Greetings from sunny NC.
Congrats on the score.
Edit: I wouldn't worry about the 203. They're pretty rugged. Still swapping mine out for a 208.
Shame about the 400. Lots of down low grunt for a smog era motor.
 

ChuckN

Full Access Member
Joined
Nov 8, 2022
Posts
1,318
Reaction score
4,005
Location
Bellinham, WA
First Name
Chad
Truck Year
1981
Truck Model
C10
Engine Size
350
Greetings from the PNW!
 

Kurnacopia

Full Access Member
Joined
Jan 19, 2021
Posts
259
Reaction score
268
Location
Tucson, AZ
First Name
Mike
Truck Year
1978
Truck Model
Scottsdale
Engine Size
383
Welcome from the Old Pueblo Tucson, AZ!
 

Mr Clean

Super Moderator
Staff member
Super Moderator
Joined
Aug 18, 2010
Posts
10,322
Reaction score
10,214
Location
North East Texas
First Name
Shawn
Truck Year
1982 & 1985
Truck Model
K10 Extra Cab w/ Proper SWB, & 85 K5 Blazer
Engine Size
454 BBC, & 383 Stroker
:welcome:
 

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