47-55.1 1947 3600 REAR Disc Conversions?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dachshund · 09-30-2019, 11:13 PM

Is there anyone who makes a conversion kit for the REAR of the 3/4 ton trucks - or anyone who has done it?

mr48chev · 10-02-2019, 02:35 PM

I'd have to wonder why anyone would want to do it with a stock rear axle but I think you can probably do it the same way the 4x4 guys do with a caliper bracket that mounts to the axle housing flange and some 8 lug 4x4 rotors.

I bought the wrong rotors for my 71 GMC rear axle though and they won't fit the rear axle flange.

I bought these caliper brackets from Wisner machine works off Ebay

They are seriously stout He doesn't show any right now but his ebay store is https://www.ebay.com/str/wisnermachineworks
No website but contact info is Contact
Wisner Machine Works LLC
Phone: (989) 274-7690
Tyler Gledhill
Manager
Phone | (989) 274-7690

Dachshund · 10-02-2019, 04:18 PM

Quote:

Originally Posted by mr48chev

I'd have to wonder why anyone would want to do it with a stock rear axle....

Well....it will have a better geared diffy for better highway use....There are a lot of things people do to their trucks that I can't understand (like lowering them to an inch off the ground....), but it's all up to how the guy doing it wants it done.

Thanks for the info!

NorCalGal · 10-02-2019, 06:14 PM

Amen

Dachshund · 10-02-2019, 09:08 PM

NICE! I always tell people "If it ain't a Dachshund, then it's just a dog...!"

mr48chev · 10-04-2019, 01:37 PM

Poking around the net this morning I found this outfit that sells these brackets and also shows the rotor they suggest in another page. https://www.wfoconcepts.com/pr/Weld-...-Lug-Pair/3478

This is the rotor they suggest which is a Raybestos 5014R that can be sourced locally.
https://www.wfoconcepts.com/pr/8-Lug...otor/3354/3695

Calipers depend on if you need the emergency brake built in to the caliper or if you have a truck with it on the back of the trans.

Dachshund · 10-04-2019, 08:53 PM

Thanks! That is what I am looking for!

mr48chev · 10-05-2019, 01:30 AM

I like the fact that they said put the rotor on the axle and then how to fit the bracket up to the rotor. That is something I hadn't seen before .

09-30-2019, 11:13 PM	#1
Dachshund Registered User Join Date: Oct 2018 Location: Trenton MO Posts: 201	1947 3600 REAR Disc Conversions?? Is there anyone who makes a conversion kit for the REAR of the 3/4 ton trucks - or anyone who has done it?

10-02-2019, 02:35 PM	#2
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,265	Re: 1947 3600 REAR Disc Conversions?? I'd have to wonder why anyone would want to do it with a stock rear axle but I think you can probably do it the same way the 4x4 guys do with a caliper bracket that mounts to the axle housing flange and some 8 lug 4x4 rotors. I bought the wrong rotors for my 71 GMC rear axle though and they won't fit the rear axle flange. I bought these caliper brackets from Wisner machine works off Ebay They are seriously stout He doesn't show any right now but his ebay store is https://www.ebay.com/str/wisnermachineworks No website but contact info is Contact Wisner Machine Works LLC Phone: (989) 274-7690 Tyler Gledhill Manager Phone \| (989) 274-7690 __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

10-02-2019, 06:14 PM	#4
NorCalGal Registered User Join Date: Nov 2014 Location: Yuba City, CA. Posts: 678	Re: 1947 3600 REAR Disc Conversions?? Amen Attached Images __________________ Jan's 53

10-02-2019, 09:08 PM	#5
Dachshund Registered User Join Date: Oct 2018 Location: Trenton MO Posts: 201	Re: 1947 3600 REAR Disc Conversions?? NICE! I always tell people "If it ain't a Dachshund, then it's just a dog...!"

10-04-2019, 01:37 PM	#6
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,265	Re: 1947 3600 REAR Disc Conversions?? Poking around the net this morning I found this outfit that sells these brackets and also shows the rotor they suggest in another page. https://www.wfoconcepts.com/pr/Weld-...-Lug-Pair/3478 This is the rotor they suggest which is a Raybestos 5014R that can be sourced locally. https://www.wfoconcepts.com/pr/8-Lug...otor/3354/3695 Calipers depend on if you need the emergency brake built in to the caliper or if you have a truck with it on the back of the trans. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

10-04-2019, 08:53 PM	#7
Dachshund Registered User Join Date: Oct 2018 Location: Trenton MO Posts: 201	Re: 1947 3600 REAR Disc Conversions?? Thanks! That is what I am looking for!

10-05-2019, 01:30 AM	#8
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,265	Re: 1947 3600 REAR Disc Conversions?? I like the fact that they said put the rotor on the axle and then how to fit the bracket up to the rotor. That is something I hadn't seen before . __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

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