any of you big truck guys got a GMC with a 12 in it? - Page 2 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

C10 - C90 Bill · 01-11-2012, 10:00 AM

Nice truck.

Here is one of my favorites at a Truck Pull (Short Hood, 8V-71):

1974 GMC 9500 Truck pull - YouTube

**special-K** · 01-11-2012, 10:15 AM

I love it! Here are some 702 videos:

GMC V12 powered car - YouTube

V12 - Elvis New Project Update2 - YouTube

lap15 · 01-12-2012, 12:03 AM

The gasoline v12 was a quick answer to much needed additional power. These motors are NOT two engines put together, but rather one long block with four heads. The block, crank and cam are unique to these motors- the rest of the parts interchange with the 351 V6. GMC engines were designed for maximum torque at low RPM's with incredible longevity. Legend has it that some of these stationary v12's ran every day 24-7 for years without failing.

C10 - C90 Bill · 01-12-2012, 12:32 AM

Quote:

Originally Posted by lap15

GMC engines were designed for maximum torque at low RPM's with incredible longevity.

They sure were. The 478 I used to drive was one heck of an engine. The Factory Dual's with very Low Restrictive Mufflers just added to the power. I remember time or two being overloaded at about 35,000, at a red light, at the top of a hill, thinking "Oh, Boy" and it would just pull like no ones business.

greywuuf · 01-12-2012, 03:52 AM

Not a v - 12 but a GMC 6 and a body style somebody you seem to be fond of.
Dang I kinda want this one myself... Dang can't figure how to link an image from my phone, maybe this will work

But here is the for sale page.
http://m.truckpaper.com/ListingDetai...categoryId=222

C10 - C90 Bill · 01-12-2012, 09:16 AM

If that truck is all original, it is most likely a 478. If it is actually a 10-Speed Trans (Road Ranger) it would be hard to believe it was original. If it is, it is very rare.

Bill

greywuuf · 01-12-2012, 10:23 AM

I the photo's of the interior show placards for 5-2 split shifting. Misleading ad.
Posted via Mobile Device

C10 - C90 Bill · 01-12-2012, 11:14 AM

Happens a lot of times. Some people like to call a 5-Speed Trans with a 2-Speed Rear a 10-Speed, but there is a big difference.

greywuuf · 01-12-2012, 11:34 AM

here is the picture in case anyone is interested.

greywuuf · 01-12-2012, 11:35 AM

Wow holy huge picture!... Sorry about that. just something about that body style is growing on me.

C10 - C90 Bill · 01-12-2012, 01:22 PM

It will do that. They made those trucks from '66 way on up till the late 70's or early 80's in the 7500. The 9500 went from '66 to about '78 when they switched to the Brigadier. Still had the same cab after that but that Front Clip became very different. After the first Brigadier they then went to one with a Low Slope Hood.

sean1969c10 · 01-12-2012, 08:37 PM

Boy I just love the sound of an old Detroit Diesel!!!!

C10 - C90 Bill · 01-14-2012, 08:17 PM

Quote:

Originally Posted by sean1969c10

Boy I just love the sound of an old Detroit Diesel!!!!

Here is a 6V-53:

Screamin Detroit Diesel 653 C70 - YouTube

This truck sounds just about exactly how my '67 7500 sounded like.

Bill

**special-K** · 01-15-2012, 12:37 PM

Yawn...What would you want with a measly little V12 anyway?
http://www.autoblog.com/2010/11/30/v...rock-the-dyno/

72chevyk10 · 01-15-2012, 01:58 PM

Quote:

Originally Posted by special-K

Yawn...What would you want with a measly little V12 anyway?
http://www.autoblog.com/2010/11/30/v...rock-the-dyno/

i wanna try to shoehorn that in a pickup... need a 8 foot hood extension

01-12-2012, 12:03 AM	#28
lap15 Registered User Join Date: Jun 2011 Location: Womelsdorf,PA Posts: 93	Re: any of you big truck guys got a GMC with a 12 in it? The gasoline v12 was a quick answer to much needed additional power. These motors are NOT two engines put together, but rather one long block with four heads. The block, crank and cam are unique to these motors- the rest of the parts interchange with the 351 V6. GMC engines were designed for maximum torque at low RPM's with incredible longevity. Legend has it that some of these stationary v12's ran every day 24-7 for years without failing.

01-12-2012, 03:52 AM	#30
greywuuf Registered User Join Date: Jul 2007 Location: Alaska Posts: 516	Re: any of you big truck guys got a GMC with a 12 in it? Not a v - 12 but a GMC 6 and a body style somebody you seem to be fond of. Dang I kinda want this one myself... Dang can't figure how to link an image from my phone, maybe this will work But here is the for sale page. http://m.truckpaper.com/ListingDetai...categoryId=222 Last edited by greywuuf; 01-12-2012 at 04:20 AM.

01-12-2012, 09:16 AM	#31
C10 - C90 Bill Registered User Join Date: Nov 2001 Location: Moneta, VA USA Posts: 3,069	Re: any of you big truck guys got a GMC with a 12 in it? If that truck is all original, it is most likely a 478. If it is actually a 10-Speed Trans (Road Ranger) it would be hard to believe it was original. If it is, it is very rare. Bill __________________ '60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan

01-12-2012, 10:23 AM	#32
greywuuf Registered User Join Date: Jul 2007 Location: Alaska Posts: 516	Re: any of you big truck guys got a GMC with a 12 in it? I the photo's of the interior show placards for 5-2 split shifting. Misleading ad. Posted via Mobile Device

01-12-2012, 11:14 AM	#33
C10 - C90 Bill Registered User Join Date: Nov 2001 Location: Moneta, VA USA Posts: 3,069	Re: any of you big truck guys got a GMC with a 12 in it? Happens a lot of times. Some people like to call a 5-Speed Trans with a 2-Speed Rear a 10-Speed, but there is a big difference. __________________ '60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan

01-12-2012, 11:34 AM	#34
greywuuf Registered User Join Date: Jul 2007 Location: Alaska Posts: 516	Re: any of you big truck guys got a GMC with a 12 in it? here is the picture in case anyone is interested.

01-12-2012, 11:35 AM	#35
greywuuf Registered User Join Date: Jul 2007 Location: Alaska Posts: 516	Re: any of you big truck guys got a GMC with a 12 in it? Wow holy huge picture!... Sorry about that. just something about that body style is growing on me.

01-12-2012, 01:22 PM	#36
C10 - C90 Bill Registered User Join Date: Nov 2001 Location: Moneta, VA USA Posts: 3,069	Re: any of you big truck guys got a GMC with a 12 in it? It will do that. They made those trucks from '66 way on up till the late 70's or early 80's in the 7500. The 9500 went from '66 to about '78 when they switched to the Brigadier. Still had the same cab after that but that Front Clip became very different. After the first Brigadier they then went to one with a Low Slope Hood. __________________ '60-'72 Chev/GMC Fan GMC 9500 Fan Detroit Diesel Fan Last edited by C10 - C90 Bill; 01-12-2012 at 01:51 PM.

01-12-2012, 08:37 PM	#37
sean1969c10 Registered User Join Date: Mar 2008 Location: Powhatan, Va. Posts: 376	Re: any of you big truck guys got a GMC with a 12 in it? Boy I just love the sound of an old Detroit Diesel!!!! __________________ Sean "If your gonna be dumb, you gotta be tough" 1960 Chevy Impala Sedan - my 25 year search is over!! 1969 C-10 longbed - Nice day DD 1970 Chevy Nova - Street and Strip Project 2002 Acura MDX my DD 2007 Honda Odssey - My Wife's "Mommy Van"

01-15-2012, 12:37 PM	#39
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,862	Re: any of you big truck guys got a GMC with a 12 in it? Yawn...What would you want with a measly little V12 anyway? http://www.autoblog.com/2010/11/30/v...rock-the-dyno/ __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~



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