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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old August 31st, 2018, 04:50 AM
65GMCKV4000 65GMCKV4000 is offline
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Default 637 V8 gas engine

This followed me home.
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Last edited by 65GMCKV4000; August 31st, 2018 at 06:04 AM. Reason: picture upside down
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  #2  
Old August 31st, 2018, 05:00 AM
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LEWISMATKIN LEWISMATKIN is offline
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Default Re: 637 V8 gas engine

IS THIS CRACKERBOX A '67 OR A'68????
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  #3  
Old August 31st, 2018, 05:02 AM
65GMCKV4000 65GMCKV4000 is offline
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Default Re: 637 V8 gas engine

1966
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  #4  
Old August 31st, 2018, 05:57 AM
65GMCKV4000 65GMCKV4000 is offline
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Default Re: 637 V8 gas engine

Try this again. 1966 GMC Crackerbox FE model with 637 V8
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  #5  
Old August 31st, 2018, 05:59 AM
65GMCKV4000 65GMCKV4000 is offline
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Default Re: 637 V8 gas engine

Front view.
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  #6  
Old August 31st, 2018, 06:53 AM
WE7X WE7X is offline
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Default Re: 637 V8 gas engine

WOW! What a find.
Looks to be pretty decent.
How far away did it come from?
Rod Johnson
Issaquah, WA
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  #7  
Old August 31st, 2018, 12:49 PM
2-Ton 2-Ton is offline
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Default Re: 637 V8 gas engine

A lot of folks have heard about the 702 twin 6, but very few know about the 637 Magnum V8.
The 637 replace the 702 twin 6 in 1966.

I have one in a 67 GMC COE fire ladder truck.
About 15,000 miles on it and it runs great.
Sucks gas like there is no tomorrow.

Parts are hard to find.
Fuel pump quit on me a few years ago and cannot be found anywhere.
Mounts on the front top of the motor and has about a 14 inch reach arm on it.
Ended up mounting an electric fuel pump at the tank.

The pictures and story here.
https://www.stovebolt.com/gallery/ki...on%201967.html

Don

Last edited by 2-Ton; August 31st, 2018 at 01:00 PM.
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  #8  
Old August 31st, 2018, 03:54 PM
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Funky61 Funky61 is offline
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Default Re: 637 V8 gas engine

Great Story on the Fire Truck purchase! Would you mind posting a close up photo of the V8 emblem I see on the front, Thanks.
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  #9  
Old August 31st, 2018, 05:00 PM
65GMCKV4000 65GMCKV4000 is offline
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Default Re: 637 V8 gas engine

Rod, a friend of mine told me about it. It had been on Craigslist awhile back and it never sold. It came up again and I jumped on it. Came out of Colville WA and before that Idaho. Here is a picture of the emblem.
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  #10  
Old August 31st, 2018, 05:08 PM
65GMCKV4000 65GMCKV4000 is offline
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Default Re: 637 V8 gas engine

I also picked up a 637 this spring out of California. I got it freed up, but haven't got it running yet. I also got two emblems with the engine from California. Good to have the extra parts.
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