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Grilles for 1934, 35, and 36 GM trucks


To 1934-35 and 1936 GM Truck Customers

A limited number of new grilles have just arrived! They are totally SHOW QUALITY, mirrow-polished, stainless steel. Includes outer reinforcing band, vertical center bars, and special customer fasteners to attach to your outer shell.

LOOK HERE
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#597862 - Thu Dec 03 2009 06:01 AM Re: Biggest 6-Cylinder Engine? [Re: spanky]
C10 - C90 Bill Offline
Shop Shark
Registered: Thu Apr 10 2003 12:00 PM
Posts: 861
Loc: Moneta, VA
Originally Posted By: spanky
There was also a 707ci. GMC 6 cyl. gas engine,first available in 1950.


While I was searching around, I did see something about a 707, but it was hard to believe.

I also read some interesting info about GMC back in the old days. There was some pretty impressive stuff. GM even won an award from the US Government for their contributions in WWII.

Read more here, along with some pretty good pictures:
http://wiki.gmnext.com/wiki/index.php/A_Brief_Outline_of_the_First_Century_of_GMC_Truck_History


Bill
_________________________
'60-'72 Chev/GMC Fan
GMC 9500 Fan
Detroit Diesel Fan
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#597876 - Thu Dec 03 2009 08:03 AM Re: Biggest 6-Cylinder Engine? [Re: Grigg]
tclederman Offline
Registered: Tue Sep 18 2001 12:00 PM
Posts: 20496
Loc: Castleton-on-Hudson, NY
Originally Posted By: Grigg
Looks like a 49 or 50 2 ton. And another (conventional) one in the background.

Should have been a gas engine.
And a splash oil 235 right?

Hopefully Tim will come along and set us all straight.

Grigg


Late 1949 or 1950.
- hood side-emblems changed to two pieces in late-49
- door vent-windows started in 1951

The COEs most likely came standard with a 235 (low pressure) engine. A 1949 235 would have produced 93 hp and a 1950 235 would have produced 105 hp (due to larger intake/exhaust ports and larger valves).

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#597898 - Thu Dec 03 2009 09:06 AM Re: Biggest 6-Cylinder Engine? [Re: C10 - C90 Bill]
don stocker Offline
Shop Shark
Registered: Wed Nov 29 2006 12:00 PM
Posts: 2666
Loc: osceola, wi
International made a 501 Gas 6 cylinder.
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#597914 - Thu Dec 03 2009 10:04 AM Re: Biggest 6-Cylinder Engine? [Re: don stocker]
53moneypit Offline
Registered: Sat Dec 20 2003 12:00 PM
Posts: 2901
Loc: Smallville IN
"International made a 501 Gas 6 cylinder."

Wasn't that the one they called the Black Diamond? I also recall a Red Diamond IH engine.
_________________________
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Engine & Driveline Moderator

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#597945 - Thu Dec 03 2009 11:23 AM Re: Biggest 6-Cylinder Engine? [Re: 53moneypit]
don stocker Offline
Shop Shark
Registered: Wed Nov 29 2006 12:00 PM
Posts: 2666
Loc: osceola, wi
I think that your correct Dave. I had a old IHC semi tractor and it had the 450 6 cylinder which I recall to have been called a Super Red Diamond. Don


Edited by don stocker (Thu Dec 03 2009 11:51 AM)
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#597967 - Thu Dec 03 2009 12:42 PM Re: Biggest 6-Cylinder Engine? [Re: don stocker]
crenwelge Offline
Shop Shark
Registered: Sat Jan 19 2008 01:15 AM
Posts: 4336
Loc: Fredericksburg, Texas
The 707 was from back in the 30's. I'm not sure it was still available in 1950. I have only seen one in my life. It had a direct coupled air compressor and two spark plugs per cylinder. It was about the same size as the 855 block Cummins Diesel used for about 50 years. Fully dressed, a Cummins weights close to 4,000 lbs and were only used in the largest conventional cabs. A 302 was the largest engine that was feasible to retrofit into a Chev of the era pictured. However the 302 wasn't released until 1952. The International captured a large portion of the market in its class with the RD450 in the R190 series truck which was introduced in 1954.
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#598426 - Sat Dec 05 2009 01:27 AM Re: Biggest 6-Cylinder Engine? [Re: crenwelge]
spanky Offline
Shop Shark
Registered: Fri Dec 20 2002 12:00 PM
Posts: 4009
Loc: burlington, n.c.
I don't know if it's the same engine as crenwelge has mentioned, but i'm looking at a catalog titled, "GMC Heavy Duty Trucks- Gasoline-diesel", published 5/1949 that list a group of engines as new for 1950, & they are a 318, 360, 426, 503, & 707.
_________________________
Spanky Hardy......Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers
1950 GMC 250 1-Ton in the Gallery
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#598484 - Sat Dec 05 2009 10:46 AM Re: Biggest 6-Cylinder Engine? [Re: spanky]
peytonmaterne Offline
Wrench Fetcher
Registered: Fri Dec 04 2009 11:05 AM
Posts: 106
Loc: SE Ohio
I think Mack had a 707ci six in the 50s also, just a coincidence?
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#598495 - Sat Dec 05 2009 11:13 AM Re: Biggest 6-Cylinder Engine? [Re: spanky]
Grigg Offline
Registered: Tue May 10 2005 12:00 PM
Posts: 7593
Loc: Lexington, VA
My 49-53 GMC truck master parts book number X-152002 (covers model 400-980) makes no mention of the 707 in the engine section, 503 is as big as it list.

Was there an even larger truck that would have used the 707?
Or did the catalog predict an engine that wasn't available after all?

Grigg
_________________________
1948 Chevrolet 6400 with:
- Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup

"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..."
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#598505 - Sat Dec 05 2009 11:52 AM Re: Biggest 6-Cylinder Engine? [Re: Grigg]
tclederman Offline
Registered: Tue Sep 18 2001 12:00 PM
Posts: 20496
Loc: Castleton-on-Hudson, NY
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