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Wilwood Master Cylinder Thoughts

Discussion in 'Early CJ5 and CJ6 Tech' started by Renegade ll, Nov 28, 2022.

  1. Nov 29, 2022
    Stakebed

    Stakebed Member

    Lake Co....
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    Somehow the cap attached to a propane bottle?
    I'm seriously asking as I like your reservoir better than the $$ one I bought.
     
  2. Nov 29, 2022
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    If one doesn’t like the Wilwood reservoirs, GM (and I’m sure others) hydraulic clutch reservoirs work well also. Compact and designed for DOT 3/4 brake fluid.
     
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  3. Nov 29, 2022
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    That involved some appropriately diametered muffler moly , a form, heat wrench & careful hammering followed up by some quality time with my favourite file & a dab of solder.

    I was not kidding about all the work :shock:
     
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  4. Nov 29, 2022
    Stakebed

    Stakebed Member

    Lake Co....
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    You definitely were not sir. Thank you for the elaboration. o_O
     
  5. Nov 29, 2022
    Jw60

    Jw60 Sitting up n buckled down. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sedalia MO.
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    Clutch res also works well as a remote fill for the stock master cylinder. Just drill n tap the vent hole
     
    Last edited: Nov 29, 2022
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  6. Nov 30, 2022
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    You can also fab one out of round or square tube stock. Weld the piece together and tap for fittings and cap. Polish/paint to your desire.

    I don't have pics, but it built one to replace the clutch reservoir on my Granddad's old Farmall Tractor. Made it out of a piece of 4" steel pipe. Granddad had me put a screw cap from (insert some old piece of farm equipment here) on it as he never threw anything away. We tapped it for the fittings (pipe to tube adaptor used) - I welded some nuts on it for the mounting bolts and it worked fine for many years. Still does as far as I know - my cousin has the tractor now.
     
  7. Nov 30, 2022
    Jw60

    Jw60 Sitting up n buckled down. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sedalia MO.
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    I bet I could print a remote reservoir...
    :cool:

    My biggest concern is heat and chemical properties of the brake fluid vs PETG. It might work for only one type of fluid.
     
    Last edited: Nov 30, 2022
  8. Nov 30, 2022
    amboynut

    amboynut Member

    Chelatchie, WA
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    What Farmall has a hydraulic clutch?
     
  9. Dec 1, 2022
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    One "he modified" or as we called it "Harvey-ed" since his name was Harvey :D. The remote res fed several things he 'rigged'... Living through the Depression and WWII as a farmer, he rigged TONS of stuff and built things out at the farm. We even had a home built lathe and mill with parts that came from combines, elevators, and who knows what other farm implements.

    While it was 'confusing' to work on things - I learned more ways to fab things and think outside the box in the two weeks every summer I spent down there growing up. I still fix stuff down there since my Mom lives on the farm still.
     
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  10. Dec 1, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    In doing the research to make my 4 wheel disc brakes more efficient I learned way too much about a balanced brake system. You have to have the correct piston diameter in the master cylinder to work correctly with your front and rear disc brakes. Mine will be a 1 1/8" piston diameter. You have to know what pedal ratio you have in your jeep. Mine is about 5.2:1 The My front caliper piston diameter is 2.80" so I need the rear caliper piston diameter to be 2.0" to be balanced front to rear. I will let you know how all this mumbo jumbo works once I get the parts I need and installed. Proof is in the pudding. Wish me luck.

    Made a mistake on my above statement. 1 1/8" bore is if you have a master cylinder and a power boost. I will need to use a 1" or 7/8" bore in the master cylinder.
     
    Last edited: Dec 29, 2022
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  11. Dec 1, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    That engine compartment is a work of art!!!!!
     
  12. Dec 1, 2022
    Jw60

    Jw60 Sitting up n buckled down. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    1985 rear calipers from a cadillac eldorado at 2.125" and use the 7/8" rotors.

    Done
     
    Last edited: Dec 1, 2022
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  13. Dec 2, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    Thank you very much Joe.
     
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  14. Dec 2, 2022
    Jw60

    Jw60 Sitting up n buckled down. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    No problem, at one point I was going to use 7/8" rotors front and rear with dual piston s10 calipers front and the eldorado rears.
    Cost and availability at the time pushed me to 4 k10 calipers and the thicker rotors with a stepped bore master cylinder.
     
  15. Dec 13, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    I am going to put a corvette style master cylinder with the 1 1/8" bore. I hope it fits down in the frame. It is for disc/disc manual brakes.

    [​IMG]
     
  16. Dec 13, 2022
    jeepstar

    jeepstar Well-Known Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    Aren't the outlet parts on the wrong side?
     
  17. Dec 13, 2022
    Jw60

    Jw60 Sitting up n buckled down. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sedalia MO.
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    This is where i'm at with the later frame mounted master cylinder I'm swapping in.
    http://www.earlycj5.com/xf_cj5/index.php?threads/154162/
     
  18. Dec 13, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    They are both sides and they give you plugs for the side you don't use.
     
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  19. Dec 13, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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  20. Dec 29, 2022
    Renegade ll

    Renegade ll Member

    Thayne Wyoming
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    OOOOOps it does not fit. My bad
     
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