72 rear end ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**slepysal** · 06-29-2007, 05:53 AM

how wide is a 1972 truck rear end ?

krue · 06-29-2007, 01:33 PM

I don't remember off the top of my head, but it's the same width as the 12 bolt in the 73 and up, I'm sure you can find one of those to measure.

gulfcoast66 · 06-29-2007, 04:31 PM

Whats up Sal, on the 72 rear end its 57 in. from the back of drum 2 drum. And the pads or saddles where you bolt down to trailling arms are 40in., Thats the back side of the rear end, Back of saddle to saddle, not hole to hole. The 72's saddles bolt right up, and give you about 3/4 inch more sticking out on each wheel. I hope that will help. [IMG]

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gulfcoast66 · 06-29-2007, 04:32 PM

gulfcoast66 · 06-29-2007, 04:41 PM

**slepysal** · 06-29-2007, 04:59 PM

Thanks !!!

gulfcoast66 · 06-29-2007, 05:08 PM

I got one in the garage trying to sind pics

**slepysal** · 06-29-2007, 05:17 PM

Quote:

Originally Posted by gulfcoast66

I got one in the garage trying to sind pics

that would be great !! Thanks again

**Captainfab** · 06-29-2007, 11:26 PM

The '72 diff is 1 1/2" wider overall....so 3/4" per side like gulfcoast66 said

Short hijack: Hey gulfcoast66 I see you're in Baytown....I have a good friend in Baytown, DeWald Motorsports and he also owns dragtrucks.com....don't suppose you know him?

gulfcoast66 · 06-30-2007, 06:36 PM

70gmcjimmy · 06-30-2007, 08:00 PM

I don't think I can be much help as mine is a 3/4 ton leaf GMC. I'm sure When Gulfcoast gets his pic problem figured out that will help.

Later---DAC

gulfcoast66 · 07-02-2007, 03:17 PM

gulfcoast66 · 07-02-2007, 03:20 PM

Hope that helps Sal, sorry about the delay on the pics. I got everthing worked out!

SIR · 07-02-2007, 03:33 PM

..."72", installed ,however it would wise to trim at least 1" out of the wheel well lip for clearance...

**slepysal** · 07-02-2007, 04:14 PM

Thanks !!I am debating on doing the swap. I have to find a 72 rear enn first.

06-29-2007, 05:53 AM	#1
slepysal Registered User Join Date: Oct 2006 Location: San Jose NOR*CAL Posts: 3,080	72 rear end ? how wide is a 1972 truck rear end ? __________________ 1960 Apache long bed fleet L6 250 Clifford intake 2 bbl carb. Langdon cast headers with dual exhaust and bellflower tips. T-5 5 speed, power steering and power disc brakes. "Over, Around or through it... "

06-29-2007, 01:33 PM	#2
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,450	Re: 72 rear end ? I don't remember off the top of my head, but it's the same width as the 12 bolt in the 73 and up, I'm sure you can find one of those to measure. __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

06-29-2007, 04:31 PM	#3
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? Whats up Sal, on the 72 rear end its 57 in. from the back of drum 2 drum. And the pads or saddles where you bolt down to trailling arms are 40in., Thats the back side of the rear end, Back of saddle to saddle, not hole to hole. The 72's saddles bolt right up, and give you about 3/4 inch more sticking out on each wheel. I hope that will help. [IMG][/IMG] __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

06-29-2007, 04:32 PM	#4
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet Last edited by gulfcoast66; 06-29-2007 at 04:46 PM. Reason: add pics

06-29-2007, 04:41 PM	#5
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

06-29-2007, 04:59 PM	#6
slepysal Registered User Join Date: Oct 2006 Location: San Jose NOR*CAL Posts: 3,080	Re: 72 rear end ? Thanks !!! __________________ 1960 Apache long bed fleet L6 250 Clifford intake 2 bbl carb. Langdon cast headers with dual exhaust and bellflower tips. T-5 5 speed, power steering and power disc brakes. "Over, Around or through it... "

06-29-2007, 05:08 PM	#7
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? I got one in the garage trying to sind pics __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

06-29-2007, 11:26 PM	#9
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,246	Re: 72 rear end ? The '72 diff is 1 1/2" wider overall....so 3/4" per side like gulfcoast66 said Short hijack: Hey gulfcoast66 I see you're in Baytown....I have a good friend in Baytown, DeWald Motorsports and he also owns dragtrucks.com....don't suppose you know him? Last edited by Captainfab; 06-30-2007 at 12:09 AM.

06-30-2007, 06:36 PM	#10
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

06-30-2007, 08:00 PM	#11
70gmcjimmy GMCDAC Join Date: Apr 2006 Location: Rapid City, SD Posts: 837	Re: 72 rear end ? I don't think I can be much help as mine is a 3/4 ton leaf GMC. I'm sure When Gulfcoast gets his pic problem figured out that will help. Later---DAC __________________ 1970 GMC K5 Jimmy Custom 4X4 Mom's driver from 1971 to 2001!! Under rebuild! 1972 GMC C2500 Pickup owned since 1979 Needs a rest and refurbish! 1955 GMC 100 2nd design driven almost daily! Rest In Peace Mom. "Dolly" 7/15/23 - 5/18/09 GMC driver for 30 years!

07-02-2007, 03:17 PM	#12
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

07-02-2007, 03:20 PM	#13
gulfcoast66 64-66 CHEVY JUNKIE Join Date: Apr 2007 Location: Cypress ,Texas Posts: 1,516	Re: 72 rear end ? Hope that helps Sal, sorry about the delay on the pics. I got everthing worked out! __________________ 1966 C-10 Fleetside LWB, 350 Lt1 4l60-E 2008 Silverado Crew Cab, 4.8 4l60-E 1998 GMC Yukon 4x4 L-31 Vortec, 4l60-E 2017 GMC Serra 4x4 5.3 Vortec, 4l60-E Do It In A Chevrolet

07-02-2007, 03:33 PM	#14
SIR SIR Join Date: Apr 2005 Location: grants pass oregon,usa Posts: 658	Re: 72 rear end ? *..."72", installed ,however it would wise to trim at least 1" out of the wheel well lip for clearance...* Attached Images __________________ 66long low fleet http://community.webshots.com/user/LVNR66

07-02-2007, 04:14 PM	#15
slepysal Registered User Join Date: Oct 2006 Location: San Jose NOR*CAL Posts: 3,080	Re: 72 rear end ? Thanks !!I am debating on doing the swap. I have to find a 72 rear enn first. __________________ 1960 Apache long bed fleet L6 250 Clifford intake 2 bbl carb. Langdon cast headers with dual exhaust and bellflower tips. T-5 5 speed, power steering and power disc brakes. "Over, Around or through it... "



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