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#1 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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'78 GMC plow truck restomod
Here's my 1978 GMC K25 4x4 I bought back in October
![]() It has a 4-bolt main 350, Muncie SM465 transmission, NP250 transfer case, Dana 44 front axle and a 14-bolt full floater rear. Cab is completely shot but the frame is immaculate so I forked over $500 and trailered it home with only 3 wheels turning. ![]() |
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#2 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
Not pretty, but it had potential
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#3 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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The day after I got it home I started cleaning all the sh*t out of the bed (believe me there was a LOT) and Lo and Behold!! A matching set of 16.5 American Racing steel wheels buried under that mess!
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#4 |
Registered User
![]() Join Date: Jul 2010
Location: memphis
Posts: 2,537
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Re: '78 GMC plow truck restomod
8 lugs..3 peddle's..i like it..
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1981 C-10 (Pop's) 1978 Camaro 2006 Lacrosse |
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#5 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
Over the next few weeks I started taking things apart. The first big day in the project came when I brought home the new cab. The picture is very dark but you can still see the cab in the back of my old Mopar
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#6 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
Sorry the pictures didn't get attached to the last post
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#7 |
Registered User
![]() Join Date: Jan 2012
Location: greenville pa 16125
Posts: 283
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Re: '78 GMC plow truck restomod
looks like a good project ! what is your plan ?
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#8 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
The next step was to take the bed off. You won't believe how clean the frame is. And here's my two old girls <3
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#9 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
The plan is to jack it up 6 inches and make it a pulling/mud truck. Basically it's getting redone from the tires up to the cab lights.
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#10 |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: '78 GMC plow truck restomod
hi,sounds like fun gotta love real steel eh
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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#11 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
Update: Pulled the motor and tranny, degreased the frame (frame is now about half painted)
Scored a freshly rebuilt motor with 11:1 flat tops and a pretty hot cam for $400. The bad economy sure is nice when you're buying! I also have a recently rebuilt 2wd Muncie transmission and a NP205 out of an International Travelall, so these will be going in the truck. Anyone ever done a divorced transfer case sawp?
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#12 |
Registered User
Join Date: Feb 2012
Location: Waterbury, CT
Posts: 14
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Re: '78 GMC plow truck restomod
I had never looked up the casting numbers on the original block - 3951511 - yes folks it's a 400! Damn and the replacement I bought is a 350
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1986 Dodge D250 1978 GMC K2500 1963 Chevy C30 rack body ...all 4-speed equipped! |
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#13 |
Registered User
Join Date: Nov 2011
Location: Dalton, NH
Posts: 165
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Re: '78 GMC plow truck restomod
Your still good. You just need a different flywheel and balancer.
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