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Old 11-25-2022, 06:28 PM   #61
jeepguy1948
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Default Re: What Master Cylinder

Yes, I need to slow down and organize my thoughts when trying to get them in written form. I’m more of a verbal conversation kind of guy and I sometimes get frustrated by the amount of time required for written messages to go back and forth so I cram too much together. Although I have a lot of experience working on cars, and trucks, and Jeeps, I have not had a whole lot of experience on pre WW2 stuff. I am trying to get all this information down on paper so that I can build a notebook with it, I am old enough that my brain doesn’t seem to be able to keep quite so many balls in the air at the same time any more.

I think that when you corrected the typos on your drawing the drawing disappeared. It would be a big help if you would re-post that because I want to print it out. Thanks!
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Old 11-26-2022, 06:12 AM   #62
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Good plan on putting it together in a notebook.

I see the drawing I posted fine. I'll send it to as a PM now.

Glenn
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Old 11-26-2022, 10:12 PM   #63
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Does Cardone possibly make a remote reservoir conversion kit for the 1923? I have such a set up (in this case Willwood) on my Willys and it works quite well.
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Old 11-27-2022, 09:43 AM   #64
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Default Re: What Master Cylinder

Quote:
Originally Posted by jeepguy1948 View Post
Does Cardone possibly make a remote reservoir conversion kit for the 1923? I have such a set up (in this case Willwood) on my Willys and it works quite well.
Not that I know of. These stepped bore MCs weren't widely multiple application used.

You mentioned that you picked up a " ... including the Boling Brothers battery box master cylinder set up (which I will not be using)"; you may want to take a look at using it along with a Mico Dual-bore (stepped) master cylinder that I mentioned with link in post #8 above. They also have boosted designs and remote reservoirs. You may want to give them a call.

https://www.mico.com/products/brake-...ster-cylinders

Attached is an old Street Rodder magazine article and a Mico catalog that I trimmed and highlighted a little.



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Old 11-27-2022, 12:09 PM   #65
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I appreciate the information Glenn, I won’t be using the battery box because I have relocated the battery to the bed of the truck (in an old tool box)because I really disliked having it under the car. I can use the Cardone without a remote reservoir if necessary.
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Old 11-27-2022, 12:39 PM   #66
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Does anybody know of a paint that can stand up to DOT 4 brake fluid? I hate rust!
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Old 11-27-2022, 01:03 PM   #67
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Read all the Mico stuff you sent, very informative! The Mico looks like a wonderful unit, my only concern being that it does not offer a split system to separate front and rear brakes.
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Old 11-30-2022, 04:47 PM   #68
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I called MICO tech support, I was told that MICO makes nothing for an on highway application, turns out that article was written in 1974, neither of the 2 guys referenced in the article is still there, the part number in the article is obsolete. When I pushed the guy he was able to cross reference the old part number to a new one that has the same specs as the old one. He is sending me some drawings for me to look over.
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Old 11-30-2022, 04:51 PM   #69
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Default Re: What Master Cylinder

Good on making the call. I attached their latest catalog above so the number should be listed there. Please post the drawings you get from them.

Glenn
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Old 12-01-2022, 09:54 AM   #70
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03-021-427
1.750 in = N-1
1.125 in = N
1. 44 in stroke
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Old 12-02-2022, 01:38 PM   #71
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If anybody wants to pm me with their email address I will forward the information that I got from MICO and then you could post it. BTW Glenn I have a different part number that has specs the same as the unit in the article (03-020-411) and would be better suited for our application as it has a smaller N bore. Anyway, all that aside, I do not see any advantage to the MICO when compared to the step bore Cardone. I don’t see any mechanical advantage to the MICO vs the Cardone. When you consider that that article was written in 1974, long before the step bore Cardone came along. I believe that essentially the Cardone is using the same technology, possibly they cloned the MICO.
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Old 12-02-2022, 02:04 PM   #72
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Glenn, I’m sorry but I have not been able to see that last edited drawing that you posted. I believe that you posted it on here but I couldn’t see it, and you said that you sent it to me in a pm and I still couldn’t see it. It’s very strange and I can’t explain it but I have had it happen before. I really would like to get it so that I could print it out and put it in my notebook. I have been told not to post my email address on here because undesirables can get it. I will send my email address to you in a pm and hopefully you will be able to email it to me. Glenn, Coopeman, and the rest of you, you have been such a tremendous help to me, I can’t begin to express my thanks and appreciation.
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Old 12-02-2022, 03:12 PM   #73
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Hey Don, now that I have your email, I'll send it along.

Glenn

PS You're welcome!
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Old 12-02-2022, 05:29 PM   #74
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Default Re: What Master Cylinder

Thanks Don,

These are the drawings, instructions, etc., that Don got from Mico. They recommended a large bore (N-1) of 1.50" and a small bore (N) of 0.875. It may be possible to use a remote fill with this master cylinder.

Glenn
Attached Files
File Type: pdf 03020411_E_cust.pdf (66.7 KB, 7 views)
File Type: pdf 81001002Master Cylinder.pdf (457.0 KB, 4 views)
File Type: pdf 81001020Master Cylinder.pdf (416.0 KB, 5 views)
File Type: pdf 81600001General Guidelines.pdf (160.4 KB, 4 views)
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Old 12-03-2022, 07:14 AM   #75
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This is a jpg picture of the MC above.


Last edited by glennpm; 12-03-2022 at 08:18 AM.
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Old 12-03-2022, 01:25 PM   #76
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Other than the possibility of using a remote fill does anybody see an advantage with using the MICO?
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Old 12-03-2022, 01:30 PM   #77
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Default Re: What Master Cylinder

- Small size
- Advantages of a stepped bore, i.e., large volume at low foot force.
- Reduced pedal travel
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Old 12-03-2022, 04:53 PM   #78
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I guess I should have been more clear, I meant as compared to the Cardone which I believe offers 2 of those advantages.
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