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Old 06-19-2006, 10:11 AM
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Disk Brakes for Old Jeep Straight Axle

I inherited my Father's Henry J, on which he used a straight axle from a Jeep. This is equipped with drum brakes. I want to switch to disk brakes for added stopping power and parts availability. Does anyone have inormation on how to do this?

Thanks, Rob

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Old 06-19-2006, 07:38 PM
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If what you have is truly a straight axle out of a JEEP then this might not help....BUT, if you have an axle from a willys this may interest you...

About 4 years ago I bought a kit that would put a set of mid size GM calipers and 11" rotors on a 1933-42 willys axle. It was for a willys americar, not a jeep. There was a pair of brackets and some spacers and a sleeve that went over the spindle. I was told the americar axle was a common axle to use under the henry J . The man who made the kit no longer makes them, (I called him), and I tried to get him to send me a template of the bracket but he didn't have one any more.
When I was searching that kit out I found no one else who made one.

That doesn't mean there is no one else, I just did not find them.. ECI and Master power did not make them nor did IDA Automotive or the willys replacement parts guy in alta loma ca

I also did some research on putting early ford spindles (you can get brakes for those) on the willys axle but the ford kingpins were way too big. There would be nothing left of the axle if you drilled it out.

Now this may interest you if you have either the JEEP axle or the Willys.

There is a guy in Las Vegas named Ron Metcalf who will make a disc brake conversion for just about any car., All he needs is the spindle and steering arm. He has a website www.caddyclassicsbyrpm.com he also has an ad in hemmings. His website shows only the caddy stuff but he will do any car prior to 68 or so.
I have spoken with this man a couple of times but have never used his services so I can not say if he does good work or not. If you use his services please post back what you think. (or anyone else if they know him)

Or what about using a straight axle from a manufacturer like speedway or superbell? get the kingpin to kingpin measurements and start calling.

Hope this helps, mikey

BTW if I can find the template for the bracket I have all of the other measurements and bearing, seal #, parts # and instructions. I would send you all that stuff (free, this is HRBB) and you can have a local fab shop make it up.
my signature lines...not really directed at anyone in particular..

BE different....ACT normal.

No one is completely useless..They can always be used as a bad example

Last edited by powerrodsmike; 06-19-2006 at 08:45 PM. Reason: fix the link
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Old 06-19-2006, 08:43 PM
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Some of the doge vans had a suitable axle and I am told that dodge rotors will fit so all you will need is some kind of bracket to attach the calipers..

of course you will need to change the M/C to something more suitable...

I have tried most all of it and now do what is known to work..
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