!972 3/4 ton 2wd w/ drum brakes? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Hawssie · 04-09-2013, 01:42 AM

I just bought what was left of a guy parting out what he said was a 1972 long bed C20. What I got was a rolling frame with the bed. He seemed to know what he was working with but this one has 8 lug drum brakes front / full floater in the rear w/ leaf springs. Wasn't disc brakes standard on 72's? If so what was the last year for drum brakes in the front?

Mint68 · 04-09-2013, 03:40 AM

It switched to disk in 71, at least they should have. Check the vin stamped into the frame drivers side top frame rail near steering box, or under drivers side cab. I would assume it was not a 72, but 70 or before, though I'm not real familiar with 3/4 ton.

SS Tim · 04-09-2013, 04:22 AM

70 down if it is factory drum brake equipped.

**special-K** · 04-09-2013, 09:32 AM

There was never an option. Brakes were all drum through '70,then front disc ever since '71...on all 10-30s.

04-09-2013, 01:42 AM	#1
Hawssie Registered User Join Date: Mar 2013 Location: Clayton, Ca. Posts: 162	!972 3/4 ton 2wd w/ drum brakes? I just bought what was left of a guy parting out what he said was a 1972 long bed C20. What I got was a rolling frame with the bed. He seemed to know what he was working with but this one has 8 lug drum brakes front / full floater in the rear w/ leaf springs. Wasn't disc brakes standard on 72's? If so what was the last year for drum brakes in the front?

04-09-2013, 03:40 AM	#2
Mint68 Registered User Join Date: Nov 2004 Location: Nebraska Posts: 762	Re: !972 3/4 ton 2wd w/ drum brakes? It switched to disk in 71, at least they should have. Check the vin stamped into the frame drivers side top frame rail near steering box, or under drivers side cab. I would assume it was not a 72, but 70 or before, though I'm not real familiar with 3/4 ton.

04-09-2013, 04:22 AM	#3
SS Tim Registered User Join Date: Aug 2010 Location: Edwards, CA Posts: 7,507	Re: !972 3/4 ton 2wd w/ drum brakes? 70 down if it is factory drum brake equipped. __________________ Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID Blazer SPID Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders Do you have a 1972 Plaid Pickup? Plaid Blazer ** Plaid Suburban

04-09-2013, 09:32 AM	#4
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,851	Re: !972 3/4 ton 2wd w/ drum brakes? There was never an option. Brakes were all drum through '70,then front disc ever since '71...on all 10-30s. __________________ "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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