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Author Topic: My 1974 GMC 1/2 Ton  (Read 10214 times)

Offline Funkatation

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My 1974 GMC 1/2 Ton
« on: September 05, 2015, 09:32:57 PM »
Figured I'd post some pics of the truck I recently acquired. It came from the factory with a 454 and Turbo 400.  Hoping to restore it to its former self, it had been sitting for a number of years.
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Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #1 on: September 05, 2015, 09:35:46 PM »
Here are some shots of the teardown..

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Offline AZ87V10

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Re: My 1974 GMC 1/2 Ton
« Reply #2 on: September 05, 2015, 10:05:34 PM »
Nice truck! Looks pretty clean and original. Should be a fun build!
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1987 Chevy V-10 Silverado short bed, 350TBI, 700R4, NP208, 3.73's, 31's
2001 Dodge Ram 1500 Laramie Quad Cab 4x4 short bed, 5.9L V8, Auto, 5 inch lift, 35's, 4.56's

Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #3 on: September 05, 2015, 10:20:25 PM »
Thanks!

Engine is at machine shop right now. I was surprised to see a nice valve job done on it before, had 7/16" pushrods, roller rockers, etc.

I have put together some nice parts for the build:
Scat 489 forged rotating assembly with mahle flat top Pistons
Lunati hydraulic roller cam, lifters, rockets, springs, etc

I will be swapping in a 4L80e as well, and hopefully a rebuilt rear end with a posi.
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Offline AZ87V10

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Re: My 1974 GMC 1/2 Ton
« Reply #4 on: September 05, 2015, 10:26:25 PM »
Sounds like it'll be a fast, fun, and strong machine! Those are all good components.
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1987 Chevy V-10 Silverado short bed, 350TBI, 700R4, NP208, 3.73's, 31's
2001 Dodge Ram 1500 Laramie Quad Cab 4x4 short bed, 5.9L V8, Auto, 5 inch lift, 35's, 4.56's

Offline FlatBlack77

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Re: My 1974 GMC 1/2 Ton
« Reply #5 on: September 06, 2015, 09:10:08 AM »
looks super clean man nice buy

i dont see these trucks in white very often i gotta say it looks good. white is pretty much my favorite color on vehicles.

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"When you are a hammer, everything looks like a nail"
'77 C/10 - 350/350 mild street motor

Offline LTZ C20

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Re: My 1974 GMC 1/2 Ton
« Reply #6 on: September 06, 2015, 12:05:01 PM »
Welcome from central California. Nice buy, pretty clean truck and good start on the engine.
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Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #7 on: September 06, 2015, 02:19:04 PM »
I was super surprised it had the original grill and not a single broken plastic anywhere on it. Gotta clean it up, but it's in good shape.
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Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #8 on: October 15, 2015, 08:40:59 PM »
Lots to update. Been working the past few days to get everything together. Hope to have it in tomorrow.


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Offline blazer74

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Re: My 1974 GMC 1/2 Ton
« Reply #9 on: October 15, 2015, 10:54:04 PM »
Nice find.
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Offline FlatBlack77

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Re: My 1974 GMC 1/2 Ton
« Reply #10 on: October 16, 2015, 05:25:23 PM »
looking awesome!
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"When you are a hammer, everything looks like a nail"
'77 C/10 - 350/350 mild street motor

Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #11 on: October 17, 2015, 08:16:02 PM »
Some more progress.


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Offline VileZambonie

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Re: My 1974 GMC 1/2 Ton
« Reply #12 on: October 17, 2015, 08:30:31 PM »
Nice!
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #13 on: October 23, 2015, 10:22:26 PM »
More progress! Hope to have her roadworthy in a couple weeks when I have time. Decided to add a trans cooler but did t have much room to fit it anywhere else. Going to route it through the radiator first and its there for my piece of mind.







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Offline Funkatation

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Re: My 1974 GMC 1/2 Ton
« Reply #14 on: November 15, 2015, 06:49:25 PM »
Well we got her started.  Put a flow master exhaust on. Did a test drive and tranny was shifting but I was getting speed sensor codes from the tcu. Also it seems to be running warm so going to get the radiator a once over. Also very disappointed my brand new pro billet msd distributor was bad out of the box. Have to wait to get a replacement and have an old cheapie in there now. Overheating could be timing too.


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