GMC VS Chevy Motor - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mntoy · 05-07-2006, 06:52 PM

Does anyone know what year the GMC pickup started using Chevrolet motors? Or more directly what year the GMC pickup started using the Chevrolet 350 V8?

dougs69c10 · 05-07-2006, 07:00 PM

gm used the same engines in the 70's i believe late 70's Like 77 if im correct.

72armyswbtruck · 05-07-2006, 08:08 PM

Interesting question, TTT for you anyways

jacobs · 05-07-2006, 08:12 PM

I'm looking at an original 1969 GMC sales brochure that has the entire engine line up. Available engines are: 250, 292, 305e (GMC V6), 307, 350, 396.

jcfoote60 · 05-07-2006, 08:16 PM

What? your kidding right? GM is GM.................whether your GMC or Chevrolet you enjoyed the same powerplant for these trucks..unless you talk Pontiac (yuck) or Oldsmobile (please no), Cadillac (gag) or heaven forbid Buick..................

a smallblock 350 is a small block 350 as long as it is chevy/GMC. that's the question right? RIGHT? dang maybe it's me and rum and cokes this afternoon??? oh well

JC

Fred T · 05-07-2006, 08:17 PM

1967 for most light duty trucks was when GMC switched from the V6 to the Chevy V8. Heavy trucks still used the V6 until 74, iirc. I know the chevy 427TD was available, I drove a 69 tractor with one in the early 70s, as well as a lot of medium trucks of the 67-72 vintage with the different V6s.

Straight sixes were available in the Handi-van in 64, started with the 230, then switched to the 250 in 66. The 292 was also available.

More info on the V6 can be found at Jolly's site www.6066gmcguy.org , but he doesn't cover much after 66.

chevy_fatman · 05-07-2006, 08:20 PM

Quote:

Originally Posted by dougs69c10

gm used the same engines in the 70's i believe late 70's Like 77 if im correct.

So you meant to tell me that I can not get a newer GMC with a 350? say a '95?

He's talking about chevy engines, not GMC motors.

The 350 came out in the late 60's more like around '68-'69 (I forget) so I think that it was an option since then in GMC's, the V6 (305,351,468 and 702) was also an option in the GMC line up, but never the Chevrolet.

Longhorn Man · 05-07-2006, 08:24 PM

1969 was the first year the 350 was installed in light duty pick ups...both chevy and GMC.

TugOwar · 05-07-2006, 10:29 PM

Quote:

Originally Posted by Longhorn Man

1969 was the first year the 350 was installed in light duty pick ups...both chevy and GMC.

My 68 GMC has a 350 and I've been thinking all along it the factory engine....

thecatseye66 · 05-08-2006, 12:22 AM

Quote:

Originally Posted by TugOwar

My 68 GMC has a 350 and I've been thinking all along it the factory engine....

Maybe you should decode it and find out for sure. Check the letters/numbers on the block in front of the passenger side head, just below the head itself--facing the front of the engine.

**Bob B.** · 05-08-2006, 12:33 AM

The first year that GMC used Chevy engines was 1964. That year, the 230 straight 6 was made an option in GMC pickups, along with the GMC only V-6. Also in 1964, the small G series vans used the Chevy 230 6 cyl. and 153 4 cyl.. In 1967, the 283 V-8 was an option in the G series vans, and both the 283 and 327 V-8's were optional in panels and Suburbans only, not GMC pickups. Starting in 1968, the 307, 327, and 396 were available in pickup trucks. The last year the GMC V-6 was offered in pickups was 1969.

dougs69c10 · 05-08-2006, 01:02 AM

Quote:

Originally Posted by chevy_fatman

So you meant to tell me that I can not get a newer GMC with a 350? say a '95?

He's talking about chevy engines, not GMC motors.

The 350 came out in the late 60's more like around '68-'69 (I forget) so I think that it was an option since then in GMC's, the V6 (305,351,468 and 702) was also an option in the GMC line up, but never the Chevrolet.

no what I ment was in 77 or so, gm dropped any difference in motors and just used one universal line of engines

dougs69c10 · 05-08-2006, 01:04 AM

Quote:

Originally Posted by jcfoote60

What? your kidding right? GM is GM.................whether your GMC or Chevrolet you enjoyed the same powerplant for these trucks..unless you talk Pontiac (yuck) or Oldsmobile (please no), Cadillac (gag) or heaven forbid Buick..................

a smallblock 350 is a small block 350 as long as it is chevy/GMC. that's the question right? RIGHT? dang maybe it's me and rum and cokes this afternoon??? oh well

JC

do you know what your talkin about? Buick and olds small blocks would usually and often did out torque the chevys, pontiacs, they had one block, from the 2xx up to the 455 was all one block.

As far as caddy's go, nothin beats house pulling torque just off idle. Theres prob not a big block stock for stock that can keep up with a caddy motor

northerngmc · 05-08-2006, 11:09 AM

I have a 1959 GMC with a Chevrolet engine.

US trucks in the 50's came with Pontiac engines and the Canadian GMC's came with Chevrolet engines.

A 1959 GMC in Canada would either have a 235 I6 or a 283 V8.

So when did both GMC and Chevrolet start using the same engines in the US?

DJ72CHEVY · 05-08-2006, 11:23 AM

Quote:

heaven forbid Buick..................

Come on!!!! Where is the love?

One of the most powerful engines GM ever made (455 Big Block).

Southpa · 05-08-2006, 12:42 PM

May as well add to the confusion. 1967 AMC Ambassador had a 327 - V8 engine...but that was a Chrysler motor.

Heres a bit of historical chronology of the St. Catherine's, Ont. GMC plant.

http://clubs.hemmings.com/clubsites/.../mckinnon.html

JAKES 68GMC · 05-08-2006, 03:49 PM

Quote:

Originally Posted by Bob B.

The last year the GMC V-6 was offered in pickups was 1969.

I read somewhere that you could special-order a GMC V6 in 70-72 GMC truck. Apparently it was a dealer option.

Longhorn Man · 05-08-2006, 03:53 PM

69 was the last year for 3/4 and 1/2 ton... in one ton you could still get the V-6 untill 72.

**Bob B.** · 05-08-2006, 06:33 PM

Actually, March of '69 was it for factory installed V-6's in 1500/2500/3500's. The V-6 was available as a dealer installed option until '72 in 1500/2500/3500's. I have early and late '69 GMC light duty sales brochures, and the V-6 is completely gone from the late '69 one. The last year the V-6 was manufactured was '74.

Longhorn Man · 05-08-2006, 08:06 PM

Interesting... I guess there is a possability that the CM one ton cab/chassis daullie truck in the junk yard is a 69 with a 71/72 grill on it.

qksilver · 05-08-2006, 08:12 PM

My 56 GMC has a Pontiac engine
and the amc 327 was not a chrysler engine neither was the Studebaker Avanti 327 is was a corvette engine! LOL

qksilver · 05-08-2006, 08:12 PM

My 56 GMC has a Pontiac engine
and the amc 327 was not a chrysler engine neither was the Studebaker Avanti 327 is was a corvette engine! LOL

**Bob B.** · 05-08-2006, 09:25 PM

Quote:

Originally Posted by Longhorn Man

Interesting... I guess there is a possability that the CM one ton cab/chassis daullie truck in the junk yard is a 69 with a 71/72 grill on it.

Does it still have the glove box options sticker?

jacobs · 05-08-2006, 09:39 PM

Quote:

Originally Posted by qksilver

and the amc 327 was not a chrysler engine neither was the Studebaker Avanti 327 is was a corvette engine! LOL

Avanti's originally had 289's. Ranbler had a 327 in 1957. The late model Avanti's that were manufactured AFTER Studebaker went out of business used Chevrolet drivetrains.

Longhorn Man · 05-08-2006, 10:00 PM

and that 289 was in no way related to ford either...started in the studebaker.

The glove box door is long gone on that.

05-07-2006, 06:52 PM	#1
mntoy Registered User Join Date: May 2006 Location: Calif Posts: 43	GMC VS Chevy Motor Does anyone know what year the GMC pickup started using Chevrolet motors? Or more directly what year the GMC pickup started using the Chevrolet 350 V8?

05-07-2006, 07:00 PM	#2
dougs69c10 Registered User Join Date: Feb 2006 Location: Birmingham,Alabama Posts: 260	Re: GMC VS Chevy Motor gm used the same engines in the 70's i believe late 70's Like 77 if im correct. __________________ 1969 c10 stepside 250 inline six, 4speed granny tranny, 4.11 posi rear end

05-07-2006, 08:08 PM	#3
72armyswbtruck Registered User Join Date: Feb 2004 Location: Idaho Posts: 4,034	Re: GMC VS Chevy Motor Interesting question, TTT for you anyways __________________ "Remember, They can Kill You, but they can't eat You, That's against the law!!!!!!!!!"

05-07-2006, 08:12 PM	#4
jacobs Registered User Join Date: Sep 2005 Location: 9000' Mountain Man Posts: 326	Re: GMC VS Chevy Motor I'm looking at an original 1969 GMC sales brochure that has the entire engine line up. Available engines are: 250, 292, 305e (GMC V6), 307, 350, 396.

05-07-2006, 08:16 PM	#5
jcfoote60 Active Member Join Date: Jun 2005 Location: Idaho Posts: 263	Re: GMC VS Chevy Motor What? your kidding right? GM is GM.................whether your GMC or Chevrolet you enjoyed the same powerplant for these trucks..unless you talk Pontiac (yuck) or Oldsmobile (please no), Cadillac (gag) or heaven forbid Buick.................. a smallblock 350 is a small block 350 as long as it is chevy/GMC. that's the question right? RIGHT? dang maybe it's me and rum and cokes this afternoon??? oh well JC

05-07-2006, 08:17 PM	#6
Fred T Cantankerous Geezer Join Date: Aug 2002 Location: Bel Aire, KS Posts: 6,264	Re: GMC VS Chevy Motor 1967 for most light duty trucks was when GMC switched from the V6 to the Chevy V8. Heavy trucks still used the V6 until 74, iirc. I know the chevy 427TD was available, I drove a 69 tractor with one in the early 70s, as well as a lot of medium trucks of the 67-72 vintage with the different V6s. Straight sixes were available in the Handi-van in 64, started with the 230, then switched to the 250 in 66. The 292 was also available. More info on the V6 can be found at Jolly's site www.6066gmcguy.org , but he doesn't cover much after 66. __________________ Fred There is no such thing as too much cam...just not enough engine. Last edited by Fred T; 05-07-2006 at 08:18 PM.

05-07-2006, 08:24 PM	#8
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: GMC VS Chevy Motor 1969 was the first year the 350 was installed in light duty pick ups...both chevy and GMC.

05-08-2006, 12:33 AM	#11
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,316	Re: GMC VS Chevy Motor The first year that GMC used Chevy engines was 1964. That year, the 230 straight 6 was made an option in GMC pickups, along with the GMC only V-6. Also in 1964, the small G series vans used the Chevy 230 6 cyl. and 153 4 cyl.. In 1967, the 283 V-8 was an option in the G series vans, and both the 283 and 327 V-8's were optional in panels and Suburbans only, not GMC pickups. Starting in 1968, the 307, 327, and 396 were available in pickup trucks. The last year the GMC V-6 was offered in pickups was 1969. __________________ 1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.

05-08-2006, 11:09 AM	#14
northerngmc Registered User Join Date: Jan 2004 Location: Whitehorse YK Canada Posts: 2,651	Re: GMC VS Chevy Motor I have a 1959 GMC with a Chevrolet engine. US trucks in the 50's came with Pontiac engines and the Canadian GMC's came with Chevrolet engines. A 1959 GMC in Canada would either have a 235 I6 or a 283 V8. So when did both GMC and Chevrolet start using the same engines in the US? __________________ Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is!

05-08-2006, 12:42 PM	#16
Southpa Registered User Join Date: May 2000 Location: Victoria, BC, Canada Posts: 2,410	Re: GMC VS Chevy Motor May as well add to the confusion. 1967 AMC Ambassador had a 327 - V8 engine...but that was a Chrysler motor. Heres a bit of historical chronology of the St. Catherine's, Ont. GMC plant. http://clubs.hemmings.com/clubsites/.../mckinnon.html __________________ 1970 GMC 1500 Custom Original 350/TH350 Victoria, BC, Canada You can wish in one hand and crap in the other. See which one gets filled first. Last edited by Southpa; 05-08-2006 at 12:55 PM.

05-08-2006, 03:53 PM	#18
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: GMC VS Chevy Motor 69 was the last year for 3/4 and 1/2 ton... in one ton you could still get the V-6 untill 72.

05-08-2006, 06:33 PM	#19
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,316	Re: GMC VS Chevy Motor Actually, March of '69 was it for factory installed V-6's in 1500/2500/3500's. The V-6 was available as a dealer installed option until '72 in 1500/2500/3500's. I have early and late '69 GMC light duty sales brochures, and the V-6 is completely gone from the late '69 one. The last year the V-6 was manufactured was '74. __________________ 1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.

05-08-2006, 08:06 PM	#20
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: GMC VS Chevy Motor Interesting... I guess there is a possability that the CM one ton cab/chassis daullie truck in the junk yard is a 69 with a 71/72 grill on it.

05-08-2006, 08:12 PM	#21
qksilver Senior Member Join Date: Dec 2004 Location: Southern Pines NC Posts: 3,853	Re: GMC VS Chevy Motor My 56 GMC has a Pontiac engine and the amc 327 was not a chrysler engine neither was the Studebaker Avanti 327 is was a corvette engine! LOL

05-08-2006, 10:00 PM	#25
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: GMC VS Chevy Motor and that 289 was in no way related to ford either...started in the studebaker. The glove box door is long gone on that.



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