GMC 702 V12 Engine
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Uploader Comments (oldcarkook)
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Learn how to spell 'engineering' first before you criticize 'American Engineering'. The rest of the world has had its full share of engineering duds too.
3 years ago 16
All Comments (53)
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@litningrod74 Oops, I'm retarded, forgot I had already asked :P
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I don't suppose you have a good source for parts you can point me to with my own 478 v6?
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Beautiful engine! I need a line on parts for my 67 478 v6 if you can help any!
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One of the manliest engines ever built. God bless America!
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Didn't EMD build a narrow-gauge yard switcher with two of these in it?
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@oldcarkook you could always mount it In the bed and make it a mid enginer...some engine!!!
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Looks like it has 348 or 409 valve covers on it... funny
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I have heard a lot of good things about these engines, except of course fuel consumption as with any big gas motor. They have dual distributors!
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That makes my dads 440 look like a 289 :S
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@bradarel22 Never in the front. If you have a Super/King cab and long box, you could hypothetically run it longitudenally in the back though (Firewall out the rear seats and let the engine take up the area).
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Can you fit this in a GMC Sierra pickup truck?
bradarel22 1 year ago 5
Sure, not problem as long as you have a crew cab and drive from the back seat!
oldcarkook 1 year ago 15
This comment has received too many negative votes show
What with these old farts that have motors on trailers? Airplain motors I can understand. But car motors should still be in a car!
TheCottonTop 2 years ago
Many of these motors were stripped out of the trucks they came with decades ago and put into service pushing irrigation pumps among other things. Because this is such a rare American designed and made V12 engine, they tend to have survivability in most wrecking yards. There are still quite a few of these around from Texas up through Utah serving as irrigation pump motors. When you find one, you work with what you have.
oldcarkook 1 year ago
are there any relations between these gmc v12 and v6 engines because the valve covers look a hell of a lot like the 348/409's
richardman1992 2 years ago
Richard: They were setup to use the 351 "big block" V6 heads and the V12 block is essentially a doubled 351 V6 block casting.
oldcarkook 2 years ago 2