Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

GSP7 · 07-07-2019, 08:01 PM

What years did the square bodies end for trucks vs blazers and 4x4 and suburbans

I also asked here

http://67-72chevytrucks.com/vboard/s...d.php?t=789860

I found a nice, original paint Blazer 89-91 Ive been eye balling. Looks all original 'cept 4" lift and nice 10" wide aluminum rims and 33" tires . Im hoping the owner might sell it to me at a good price

Little research ive done , its a TB Fuel injected, computer ignition, 89-91 blazer. Think its a center bolt valve cover engine too. One piece rear seal SM Block? Did these have a 700r or 460r over drive trans?

Looks like this, Metalic dark grey with white two tone, Smaller tires, 4" springs, than this pic

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kipps · 07-08-2019, 12:47 AM

Copying from wikipedia, which sounds correct, but I can't guarantee it...

final model year of production for the rounded-line(square body) trucks.

regular cab trucks in the US -- 1987
regular cab trucks in Mexico -- 1991
cab/chassis trucks -- 1989
crew cab trucks -- 1991
suburbans -- 1991
blazers -- 1991

Bigdav160 · 07-08-2019, 04:19 PM

One piece rear main and technically the transmission is a 4L60 but that is just a renamed 700R4. It is not computer shifted

**Zoomad75** · 07-10-2019, 11:01 PM

The vin will tell you the exact year. 89-91 used the same grill for the Silverado models like in the pic.

90-91's will have some unique items like an electric speedometer with 6 digit odometer. The 90-91's also have roof mounted 3 point seat belts for the rear seat passengers.

The auto trans 700r4 was renamed internally as the 4L60 (no "e") by 90. The "e" is what stands for the electronic control function which the 700r4/4L60 did not have.

**special-K** · 07-12-2019, 06:28 AM

Wiki is correct, except you could get a regular cab dual rear pickup through '88

07-07-2019, 08:01 PM	#1
GSP7 Registered User Join Date: Sep 2012 Location: Idaho Posts: 658	Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 What years did the square bodies end for trucks vs blazers and 4x4 and suburbans I also asked here http://67-72chevytrucks.com/vboard/s...d.php?t=789860 I found a nice, original paint Blazer 89-91 Ive been eye balling. Looks all original 'cept 4" lift and nice 10" wide aluminum rims and 33" tires . Im hoping the owner might sell it to me at a good price Little research ive done , its a TB Fuel injected, computer ignition, 89-91 blazer. Think its a center bolt valve cover engine too. One piece rear seal SM Block? Did these have a 700r or 460r over drive trans? Looks like this, Metalic dark grey with white two tone, Smaller tires, 4" springs, than this pic . __________________ '81 K20 Silverado , '99 Dodge Cummins 4x4, '05 Dodge Cummins 4x4, Pinstriping-Lettering-Specialty Painting Last edited by GSP7; 07-07-2019 at 08:14 PM.

07-08-2019, 12:47 AM	#2
kipps Registered User Join Date: Jul 2014 Location: North-central Virginia Posts: 1,104	Re: Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 Copying from wikipedia, which sounds correct, but I can't guarantee it... final model year of production for the rounded-line(square body) trucks. regular cab trucks in the US -- 1987 regular cab trucks in Mexico -- 1991 cab/chassis trucks -- 1989 crew cab trucks -- 1991 suburbans -- 1991 blazers -- 1991 __________________ 1987 C6P V20 truck, 2010 LMG 5.3, AFM delete, 2010 Camaro exhaust manifolds, 1997 nv4500, 1991 np241c, hydroboost, 2005 14bff axle & driveshaft, drop-n-lock gooseneck, 4.10 gears, stock suspension, rims, and tires. Still a work in progress. Any questions or suggestions are welcome!

07-08-2019, 04:19 PM	#3
Bigdav160 Registered User Join Date: Apr 2011 Location: Klein Texas Posts: 3,852	Re: Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 One piece rear main and technically the transmission is a 4L60 but that is just a renamed 700R4. It is not computer shifted __________________ My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe

07-10-2019, 11:01 PM	#4
Zoomad75 K5Camper Join Date: Mar 2004 Location: Pueblo, CO Posts: 1,513	Re: Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 The vin will tell you the exact year. 89-91 used the same grill for the Silverado models like in the pic. 90-91's will have some unique items like an electric speedometer with 6 digit odometer. The 90-91's also have roof mounted 3 point seat belts for the rear seat passengers. The auto trans 700r4 was renamed internally as the 4L60 (no "e") by 90. The "e" is what stands for the electronic control function which the 700r4/4L60 did not have. __________________ Rob Z. 1975 K5 350/465/205/D44/12b 4" lift on 35's- RIP 1991 K5 8.1L/NV4500/241/D44/14b FWC Camper

07-12-2019, 06:28 AM	#5
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: Square body end years, trucks vs blazers , crew cabs, suburbans 4x4 Wiki is correct, except you could get a regular cab dual rear pickup through '88 __________________ "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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