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douglasskemp

Junior Member
Joined
Sep 25, 2025
Posts
1
Reaction score
6
Location
Tucson, AZ
First Name
Doug
Truck Year
1981
Truck Model
C10
Engine Size
4.1L
Howdy! I'm new to THIS forum, but not to forums in general, nor to square body trucks, GM trucks (any year,) nor to older trucks in general. I have inherited my dad's '81 C10. I really miss having a truck. There are so many things that I could get, but won't fit in our Jetta. Two things that I got recently was a small load of rock and a small tree in a 10 gallon pot. Neither of them would've gone in our VW, but I also wouldn't have tried. So I borrowed my brother's '76 GMC. It's running right now. The '81 has a 4.1L (250cid) straight-six. Dad was in the middle of MAJOR repairs when he crossed over. The truck overheated, which is usually not to big of a deal for an I-6. Well this was the 'integrated' head, which is unfortunately RENOWNED for cracking. Well dad had it checked. It cracked. So his hunt was on for something new. After researching it and perusing SEVERAL different routes to approach it, he decided on a complete replacement using a 292. The 292 is already built, but he hadn't sourced everything needed to install it in place of the 250. I have. My only issue with its current setup is it came factory with a 3-on-the-tree and dad changed it to a 4-on-the-floor. I can't drive a standard shift anymore. I had a stroke in 2009, so my left leg can't push a truck clutch anymore. It's going to get a 700R4. Just waiting for next year's tax return. I already have the correct column. I was wondering if anyone had an original AM/FM setup for this?
 

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ali_c20

Supporting Member
Supporting Member
Joined
Sep 20, 2016
Posts
2,085
Reaction score
3,201
Location
Austria
First Name
Alexander
Truck Year
1974, 1979
Truck Model
C20, K5
Engine Size
350, 350
Welcome from Austria.
Make sure that you have the exact right geometry and adjustment for the tv cable on the 700r4.
 

Ricko1966

Full Access Member
Joined
Apr 11, 2017
Posts
9,940
Reaction score
19,066
Location
kansas
First Name
Rick
Truck Year
1975
Truck Model
c20
Engine Size
350
Welcome sir, good luck with your project, you can start with an Easter egg hunt we have a member with a user name of @txaggie hit that link @txaggie send him a message. I think he has one he's trying to sell.
 

dusterdude

Full Access Member
Marine Corps
Joined
Oct 7, 2020
Posts
502
Reaction score
642
Location
US
First Name
mark
Truck Year
1985
Truck Model
gmc c15
Engine Size
305
Welcome
 

animal

Super Moderator
Staff member
Moderator
Joined
Jul 30, 2010
Posts
5,942
Reaction score
4,475
Location
Georgia
First Name
Lee
Truck Year
1986
Truck Model
c10 silverado
Engine Size
350ish
:welcome:
 

Mr Clean

Super Moderator
Staff member
Marine Corps Moderator
Joined
Aug 18, 2010
Posts
11,308
Reaction score
13,871
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:
 

Sad Sack

Supporting Member
Supporting Member
Joined
Sep 3, 2024
Posts
2,620
Reaction score
5,492
Location
Nebraska
First Name
Goober
Truck Year
1985
Truck Model
C15
Engine Size
305
:welcome: Looks to be a nice solid truck!
 

WFO

Full Access Member
Joined
Jan 6, 2017
Posts
4,353
Reaction score
6,505
Location
Texas Panhandle
First Name
Dan
Truck Year
1986
Truck Model
K20
Engine Size
350
Welcome from the Texas Panhandle.
 

Snoots

Full Access Member
Joined
Jan 23, 2013
Posts
10,597
Reaction score
25,218
Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350 w/203
Welcome from NE Georgia!
 

legopnuematic

Licensed Junk Dealer
Supporting Member
Joined
Oct 27, 2016
Posts
5,135
Reaction score
19,120
Location
MO
First Name
Spencer
Truck Year
1971, 1̶9̶7̶4, 1976, 1979,1̶9̶8̶5, 2002
Truck Model
Dart Swinger, Sierra 10, C10 Cheyenne, C10 Big Ten, Silverado 10, Ram 2500
Engine Size
225/6, 350 c.i., 350 c.i., 5.9l Cummins
Welcome from Missouri.
 

peats

Full Access Member
Joined
Dec 2, 2016
Posts
390
Reaction score
413
Location
Pennsylvania
First Name
john
Truck Year
72k5, 81c10 short step, 83k10 short fleet, 03 SSR. 25 chevy doodlebug
Truck Model
k5 c10 k10 SSR doodlebug
Engine Size
406 360 6.2 5.3 171
Good luck with your engine swap. Welcome as well.
 

Fat 454

Full Access Member
Joined
Jul 24, 2012
Posts
382
Reaction score
605
Location
Australia
First Name
Andy
Truck Year
1973
Truck Model
C20 Suburban
Engine Size
454
welcome! That engine looks like it is one of those high desert "hanta virus" specials ( Model not offered in the cooler eastern states ). Fence line brings back memories too.
 

chevdude

Supporting Member
Joined
Sep 9, 2021
Posts
74
Reaction score
70
Location
60542
First Name
jeff
Truck Year
1977
Truck Model
k10
Engine Size
400
Welcome and have fun with the truck.
Those factory radios that GM used are actually pretty good sounding radios.
Mine cranks plenty loud and clear.
Providing you're not using just the center dash speaker.
 
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