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Old 11-24-2009, 05:00 AM   #1
steve53
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12 cyl GMC in action

I remember someone posting on here recently trying to get ideas for using one of those double inline v6 motors in a project. Here is a pretty crazy one i saw over on the HAMB. Looks like it started out life as a COE but is a whole nother beast now!




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Old 11-24-2009, 09:07 AM   #2
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Re: 12 cyl GMC in action

look at the thickness of the motor plate. That things not going to move much.!!
Very creative build.
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Old 11-24-2009, 01:17 PM   #3
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Re: 12 cyl GMC in action

wow! that looks like 1" plate.
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Old 11-24-2009, 05:49 PM   #4
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Re: 12 cyl GMC in action

Wow
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Old 11-24-2009, 06:26 PM   #5
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Re: 12 cyl GMC in action

the tranny's under the cab pointing forward - how would the drive line work?


btw - I really want a set of those valve covers!

Last edited by MrTucker; 11-24-2009 at 06:29 PM.
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Old 11-24-2009, 09:07 PM   #6
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Re: 12 cyl GMC in action

The fab skills of whoever built this are unbelievable.
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Old 11-24-2009, 10:39 PM   #7
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Re: 12 cyl GMC in action

looks like there is some kind of transfer case in the second picture to get the power to the rear end.
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Old 11-25-2009, 03:40 PM   #8
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Re: 12 cyl GMC in action

Looks like he didn't get that far yet... No Driveshaft or cooling system plumbed yet... VERY awesome build!!!!!
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Old 11-26-2009, 12:14 AM   #9
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Re: 12 cyl GMC in action

ok i'll say it. i dont like it. those motors dont make much hp and cant ver high at all. and the cut up coe body just does'nt look good
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Old 11-26-2009, 12:46 AM   #10
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Re: 12 cyl GMC in action

not a tcase, front wheel drive tranny for a sideway mounted motor. they just weld the diff and block off the other output.

and i like the truck, i just think the 702 are dirt ugly

Last edited by 2tons of fun; 11-26-2009 at 12:47 AM.
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Old 11-26-2009, 12:51 AM   #11
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Re: 12 cyl GMC in action

iI love it. The short nose is cool.
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Old 11-26-2009, 05:30 PM   #12
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Re: 12 cyl GMC in action

I was interested in those motors until I found the peak HP, torque and redline all occured at about 2,500 rpm. they were mostly used for industrial stuff like irrigation pumps. There is a web site dedicted to them.
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Old 11-26-2009, 06:06 PM   #13
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Re: 12 cyl GMC in action

Might be an Eldorado or Toronado transmission. I just like it because for a rat rod it is different. IMO rat rods usually don't make much sense and are just old school mechanical artwork that you can drive.
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Old 12-01-2009, 10:30 PM   #14
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Re: 12 cyl GMC in action

They also used those motors in large fire trucks... and I would imagine other large commercial applications too.
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