dana 60 12 x 2½" drums turn down dimension ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

*Fast68Chevy* · 09-10-2002, 10:04 PM

anyone know what the max diameter of the drum surface on 67 dana 60 3/4 ton drums is ? anyone got a service or overhaul manual for 67-72 with this info ? i need ot find out asap

thanks

tom hand · 09-10-2002, 10:17 PM

The max is usally on the inside "rim" of the drum. I not sure what year they started doing that.

*Fast68Chevy* · 09-11-2002, 01:39 PM

hmm interesting,, ill have to try that, i inspected all over the outside and saw nothing, so inside ill check then, thanks Tom.

R

Woody · 09-11-2002, 03:30 PM

Most part stores can tell you the min. thickness.

Stout72 · 09-11-2002, 06:09 PM

I believe the ID can go out to 12.60" max. I just put new rear drums on my truck a couple of months ago, it's stamped on the inside edge, but I can't read it now becauce the backing plate obscures it. I'd have to check my notebook at home, but I'm pretty sure it's 12.60

OhioDan · 09-11-2002, 06:25 PM

Randy, according to my factory shop manual CD for 1970, it says that rims up to 14" can be machined .060". Hope this helps?

*Fast68Chevy* · 09-12-2002, 01:18 AM

rims ? you mean drums ?

12.60 ? hmm

or is it supposed ot be 12.060 ?

hmmm

i suppose min is 12.000" and max is 12.060 ?

thanks,

Stout72 · 09-12-2002, 11:44 AM

Whoops!! Pardon my decimal place. It is 12.060, as in sixty thousandths over. Nice catch.

09-10-2002, 10:04 PM	#1
Fast68Chevy Account Suspended Join Date: May 2000 Location: IL Posts: 0	dana 60 12 x 2½" drums turn down dimension ? anyone know what the max diameter of the drum surface on 67 dana 60 3/4 ton drums is ? anyone got a service or overhaul manual for 67-72 with this info ? i need ot find out asap thanks

09-10-2002, 10:17 PM	#2
tom hand CCRider Join Date: Feb 2000 Location: Olive Branch,MS,USA Posts: 2,232	The max is usally on the inside "rim" of the drum. I not sure what year they started doing that. __________________ 72 GMC Sierra SWB almost finished---- 84 Softail Olive Branch MS

09-11-2002, 06:09 PM	#5
Stout72 Not my good side. Join Date: Mar 2002 Location: Fairfield, California Posts: 222	I believe the ID can go out to 12.60" max. I just put new rear drums on my truck a couple of months ago, it's stamped on the inside edge, but I can't read it now becauce the backing plate obscures it. I'd have to check my notebook at home, but I'm pretty sure it's 12.60 __________________ 72 Chevy K20 Custom Camper, 350/350, 4" lift, dual shock suspension front & rear. Daily driver and a work in progress. 00 Suburban LT 90 Camaro RS 79 Yamaha XS1100 Special (Ol' Reliable)

09-11-2002, 06:25 PM	#6
OhioDan Registered User Join Date: Apr 2002 Location: New Carlisle, Ohio,USA Posts: 1,404	Randy, according to my factory shop manual CD for 1970, it says that rims up to 14" can be machined .060". Hope this helps? __________________ LIFE AIN'T EASY WHEN YER FAT AND GREASY! GMC= Got More Class! 1970 GMC LWB, Fleetside, 350/4spd, Flowmaster "40's", 2002 GMC 16" Rallies, cowl hood,and added a bunch of options that weren't there when I started.

09-12-2002, 11:44 AM	#8
Stout72 Not my good side. Join Date: Mar 2002 Location: Fairfield, California Posts: 222	Whoops!! Pardon my decimal place. It is 12.060, as in sixty thousandths over. Nice catch. __________________ 72 Chevy K20 Custom Camper, 350/350, 4" lift, dual shock suspension front & rear. Daily driver and a work in progress. 00 Suburban LT 90 Camaro RS 79 Yamaha XS1100 Special (Ol' Reliable)

09-11-2002, 01:39 PM	#3
Fast68Chevy Account Suspended Join Date: May 2000 Location: IL Posts: 0	hmm interesting,, ill have to try that, i inspected all over the outside and saw nothing, so inside ill check then, thanks Tom. R

09-11-2002, 03:30 PM	#4
Woody Registered User Join Date: Feb 2000 Location: Georgetown, KY, USA Posts: 631	Most part stores can tell you the min. thickness.

09-12-2002, 01:18 AM	#7
Fast68Chevy Account Suspended Join Date: May 2000 Location: IL Posts: 0	rims ? you mean drums ? 12.60 ? hmm or is it supposed ot be 12.060 ? hmmm i suppose min is 12.000" and max is 12.060 ? thanks,

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