What have you done to your square lately??
- Thread starter Old77
- Start date
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- Joined
- Oct 30, 2019
- Posts
- 3,126
- Reaction score
- 7,254
- Location
- Downingtown, PA
- First Name
- Wayne
- Truck Year
- 1974
- Truck Model
- Jimmy
- Engine Size
- 350
Love the DANGER sticker!
- Joined
- Aug 3, 2010
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- Location
- Usually not in Ohio
- First Name
- Andy
- Truck Year
- '77, '78, '79, '84, '88
- Truck Model
- K5 thru K30
- Engine Size
- 350-454
Blasphemy!!! If a vehicle left the factory painted such a nice color as Safety Lime, leaving it that color is the RIGHT thing to do, lol.
78C10BigTen
Full Access Member
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- Apr 12, 2017
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- 15,948
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- Location
- pennsylvannia
- First Name
- Ted
- Truck Year
- 1978
- Truck Model
- C10 BIG TEN
- Engine Size
- 350
Magna86
Full Access Member
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- Mar 1, 2021
- Posts
- 134
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- 287
- Location
- VA Beach
- First Name
- Magna86
- Truck Year
- 1976
- Truck Model
- Silverado
- Engine Size
- Chevy 350
Original fuel line fitting/pump got cross threaded replacing the motor mounts. New pump and reflared line with new fitting to stop the leak. Afterwords she got a bath and a nighttime cruise with the wife. 
Still have to do the oil pan gasket and possible timing chain but not opening that can of worms just yet,
Still have to do the oil pan gasket and possible timing chain but not opening that can of worms just yet,
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Blue Ox
Turning Diesel Fuel Into Fun
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- Mar 27, 2018
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- 5,218
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- Location
- LI-NY
- First Name
- Derek
- Truck Year
- MCMLXXXV
- Truck Model
- K20HD
- Engine Size
- 6.2L
Original fuel line fitting/pump got cross threaded replacing the motor mounts. New pump and reflared line with new fitting to stop the leak. Afterwords she got a bath and a nighttime cruise with the wife.
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Awesome photo!
Headlight aim may need some work.
GMC_Nick
Full Access Member
- Joined
- Aug 17, 2018
- Posts
- 89
- Reaction score
- 561
- Location
- pittsburgh
- First Name
- Nick
- Truck Year
- 1985
- Truck Model
- K20
- Engine Size
- 350 sbc
Front is painted finally just gotta finish up priming the bed hopefully I'll be done painting by the end of the week
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ChuckN
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- Nov 8, 2022
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- 1,314
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- Location
- Bellinham, WA
- First Name
- Chad
- Truck Year
- 1981
- Truck Model
- C10
- Engine Size
- 350
Today I took the truck out to dial in the kick down cable adjustment. Got it nice and warm and then adjusted the idle mixture by vacuum gauge. Kind of. The right screw on the Edelbrock AVS is easy to dial in, the left side is much less obvious where it wants to be. Then got the hood ornament holes drilled and mounted. Yeah, ordering color matched paint in a rattle can doesn’t cover well. So, now instead of a 50/50 truck, it’s a 45/45 job. (Meaning ot looks good at 45 feet and 45mph). But at least I don’t have to stare at those huge dents in the front lip anymore. So we’ll just go ahead and ignore the paint and continue saving for the professional respray.
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TotalyHucked
Full Access Member
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- Feb 24, 2020
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- Location
- Auburn, Georgia
- First Name
- Zach
- Truck Year
- 1985
- Truck Model
- Sierra 1500
- Engine Size
- 5.3
Drove it home last Sunday, to the exhaust shop Monday, picked it up from the exhaust shop Tuesday. Drove it home Tuesday, then back to work Wednesday. We tuned it a little more Wednesday (tuner said keep it under 4500 until it's broken in and we can tune it with the wideband for WOT) and then loaded up and drove to C10 Fall Revival and back this weekend. Almost 950mi on the new setup without a glitch 
Now to change the oil and trans fluid, do a nut and bolt, tuner comes back Thursday or Friday and she's ready to head cross country to Dino's.
Now to change the oil and trans fluid, do a nut and bolt, tuner comes back Thursday or Friday and she's ready to head cross country to Dino's.
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Baron
Junior Member
- Joined
- Apr 19, 2023
- Posts
- 26
- Reaction score
- 334
- Location
- Massachusetts
- First Name
- LeBaron
- Truck Year
- 1976
- Truck Model
- GMC 6000
- Engine Size
- 366
It's the stock wheel. Seems like GM carried some things over on these medium duty trucks, such as the small rear window.
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Baron
Junior Member
- Joined
- Apr 19, 2023
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- 26
- Reaction score
- 334
- Location
- Massachusetts
- First Name
- LeBaron
- Truck Year
- 1976
- Truck Model
- GMC 6000
- Engine Size
- 366
That's exactlky what it is. 1976 GMC 6000. Only 12,000 miles on the retired fire engine.
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Shorty81
Baby Boomer
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- Mar 19, 2018
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- Location
- North West ohio
- First Name
- Darren
- Truck Year
- 86
- Truck Model
- K20
- Engine Size
- 496
That REALLY turned out nice!!!
- Joined
- Oct 30, 2019
- Posts
- 3,126
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- 7,254
- Location
- Downingtown, PA
- First Name
- Wayne
- Truck Year
- 1974
- Truck Model
- Jimmy
- Engine Size
- 350
Beautiful truck! I want one.
Yes, I knew I was safe with my statement. We had a lot of GMCs in the fleet in the '70s and '80s. Many man lift trucks were on that chassis and a few others like this flatbed with a knuckle boom.
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Strick
Full Access Member
- Joined
- Nov 25, 2020
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- Location
- Dunn, NC
- First Name
- Harold
- Truck Year
- 1979
- Truck Model
- C20 Crew
- Engine Size
- 350
I'm getting ready to put this GMC back together. The I/P has decided to work & I'm tired of pushing it around. I've driven it around some & I'm looking forward to another IDI Detroit. This is the first half-ton I've had though. The "un-obtanium" grille is the next project.
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