Brake Conversions?

1945 - 196*, Willys CJ series, modifications, sugestions, and ideas
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artificer
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Brake Conversions?

Post by artificer » Sun Apr 27, 2008 8:48 am

I went to the salvage yard yesterday to look for some donor bits...there were a heap of older Gladiators with 11" and a J2000 and 4000 with 12".... I am not worried about drum to hub mounting holes etc.
These vehicles all had an offset of 3" from backing plate mount on differential housing flange to hub to drum outside face....MB's and CJ's are about 2.5". Anyone been there or am I missing something?
As well the spindle arm looks like it could be an issue especially with 12" and probably 11" as well. Is this the case?
I'm going back today and will look at some Chevy and Ford disc setups
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
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Post by willysnut » Mon May 05, 2008 10:21 am

I bolted up a set of 11"ers to my 3B, drums slid right on no rubbing. Stops quick now!!!!
'53 CJ3B, 4 cyl Hurricane, D25, D44 lockrights in both ,5.38s, PTO, Koenig winch,
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Post by Idaho3B » Wed May 21, 2008 1:40 pm

Just in case you haven't already seen this:

http://www.film.queensu.ca/CJ3B/Tech/Brakes11inch.html

It provides more options for parts vehicles.
Doug
1963 CJ3B

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Re: Brake Conversions?

Post by Jeff Gordon » Tue May 19, 2009 8:41 pm

John,
I have just completed fitting disc on the front of my GPW, I used Suzuki Siera rotors and calipers and yes the combat rims fit, (everyone will tell you they don't) You just have to get the right Calipers and rotors.
I was going to fit a VH44 booster but I am too scared of going through the windscreen.
If you want more info I can give it to you.
BTW on the rear I have CJ5 front drums and backing plates with 1 inch slave cylinders.
Cheers
Jeff
1942 script GPW
1942 WLA
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1945 Wiles Cooker junior
type 2, 3 & 4 Aussie trailers
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Re: Brake Conversions?

Post by artificer » Tue May 19, 2009 9:27 pm

Forgot I had started this thread:
I have fitted Suzuki all round very ez and inexpensive conversion.....still on the original m/c with nissan ute proportioning valve......excellent brakes compared with original...no need for any booster. J.
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
Understand how system parts interact with one another. GOOD parts can then be established & the NOT GOOD problem/s part/s isolated for repair or replacement.


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Re: Brake Conversions?

Post by 45MB_DHM » Fri Jun 19, 2009 6:02 am

I HAD a set of 11" backing plates... They leave today for their new home in NY.
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Re: Brake Conversions?

Post by willy » Mon Sep 07, 2009 8:52 pm

Jeff Gordon,
What year Suzuki Sierra Rotors did you use.???
And Calipers.???
Willy
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Re: Brake Conversions?

Post by Jeff Gordon » Tue Sep 08, 2009 3:13 am

Willy,
1984 the first model to have discs,
Do you have Sierra's in the US?
Cheers
Jeff
1942 script GPW
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Re: Brake Conversions?

Post by artificer » Tue Sep 08, 2009 10:21 am

No Seirra's are not a US model although some parts may be interchangeable.
Most common (and available) here are the Suzuki Sidekick and Geo Tracker.
There are current GPW/MB Modification posts/threads on what parts are needed and where to get them.
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
Understand how system parts interact with one another. GOOD parts can then be established & the NOT GOOD problem/s part/s isolated for repair or replacement.

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Re: Brake Conversions?

Post by Heimbig2 » Sun Sep 13, 2009 10:57 am

So where can a person get the parts list and any adapter to make this conversion. I have emailed Ron but after 3 weeks no response. Who in the US makes this conversion kit or adapter or whatever is needed.

Thanks

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Re: Brake Conversions?

Post by artificer » Sun Sep 13, 2009 11:30 am

Ron has a toll free number and you should call him or one of his off siders.
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
Understand how system parts interact with one another. GOOD parts can then be established & the NOT GOOD problem/s part/s isolated for repair or replacement.

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Re: Brake Conversions?

Post by Heimbig2 » Fri Sep 18, 2009 4:02 pm

I called Ron and there are still some issues with the kit. No timeline as to when it will be available.

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Re: Brake Conversions?

Post by '52withaGPW » Wed Jul 07, 2010 11:38 pm

The gentleman I purchased my 3A from installed pre-1978 Ford Bronco drums, shoes, and backing plates, front and back. He claimed everything went on without a problem, and without any special mods that I recall. I'd have to ask him for the specifics as to part numbers, etc. I'm running aftermarket 15" rims, though, so I can't say if stock rims would fit my current setup.

I can tell you this though...when you lay on the pedal, you stop, and fast! :shock: :D

I'd be happy to swing by his place in the next couple days to get the specifics, if you'd like, Artificer. :)

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Re: Brake Conversions?

Post by artificer » Wed Jul 07, 2010 11:50 pm

Ron decided not to do but a number of people have gone with the Suzuki conversion kit including moi...no conversion problems at all.
Main reason for Suzuki was availability of very cheap parts & lug centres being the same as Jeep.
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
Understand how system parts interact with one another. GOOD parts can then be established & the NOT GOOD problem/s part/s isolated for repair or replacement.

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