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Hot Rods hydraulic throwout bearing

Discussion in 'The Hokey Ass Message Board' started by LKPar1270, Mar 22, 2011.

  1. LKPar1270
    Joined: Oct 31, 2008
    Posts: 82

    LKPar1270
    Member

    Ok, so I've scrapped the flathead and bought a nice '63 289 for the A. I am going to mate it to a T-5 out of an '89 S-10. I am totally unfamiliar with the hydraulic throwout bearings, but think this is the way to go. Any advice on what bearing to buy and process to install in this combo?
    Thanks
     
  2. Dreddybear
    Joined: Mar 31, 2007
    Posts: 6,092

    Dreddybear
    Member

    Mccloud. More expensive and worth it.
     
  3. Deuce Daddy Don
    Joined: Apr 27, 2008
    Posts: 5,545

    Deuce Daddy Don
    ALLIANCE MEMBER

    Been using a stock setup from 60-61 Ford Econoline since 1962, brackets holding swinging pedals & whole 9 yds. works great, with both master cyls. on firewall & build your own bracket at bottom to push slave cyl. using 3/8 threaded bolt for adjustment purposes.
     
  4. Deuce Daddy Don
    Joined: Apr 27, 2008
    Posts: 5,545

    Deuce Daddy Don
    ALLIANCE MEMBER

    Here's a pix.--------Don
     

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  5. LKPar1270
    Joined: Oct 31, 2008
    Posts: 82

    LKPar1270
    Member

    This looks good Don. I was thinking about putting the master cylinders under the floor, but I've decided to use early '60s Ford masters for both the brakes and clutch with hanging pedals, similar to what you've done. Still not sure about adapting the hydraulic throwout bearing, I've never worked with one, need to see one in operation I guess.
     
  6. scrap metal 48
    Joined: Sep 6, 2009
    Posts: 6,088

    scrap metal 48
    Member

    I would use a slave cyl instead.. If something goes wrong with the hydraulic throw out bearing, you're have to pull the trans.. Just my thoughts..........
     
  7. I've installed a McLeod (McCloud) on a SBF. Bolts on to the transmission replacing the front bearing retainer.
    Measure from the back of the bell housing to the pressure plate fingers to get the correct length piston (free exchange).
    Feed -3 lines through the clutch fork hole as you install the transmission, bleed as you would a brake system.
    Simple, uncluttered, works great!
    Self-adjusts.
     
    Last edited: Mar 23, 2011
  8. deuce354
    Joined: Feb 9, 2005
    Posts: 304

    deuce354
    Member

    I have had a few of these on my coupe. The biggest problem with them are when you have to adjust the clutch or when they leak. To adjust the clutch you have to remove the transmission witch is a PITA. Mine leaked in Charlotte, Nc and i had to drive it to Pittsburgh with the clutch pedal laying on the floor. After That i put a external slave cylinder on it and have had no trouble since. It is worth the extra effort to put a slave cylinder on it now, when you building , instead of trying to add it on later
     
  9. Jmountainjr
    Joined: Dec 29, 2006
    Posts: 1,679

    Jmountainjr
    ALLIANCE MEMBER

    If you use an after market hydraulic throw out bearing (McLoed, Tilton, Howe etc.), or even a slave, with a stock master - you may have to do some mods to the master to get it to perform and live as expected. It's common for the hydraulic bearing to be designed to use either a 3/4" or 7/8" bore master based on the expected peddel ratio and needed operating pressure. I used a Tilton bearing and a early 60's Chevy pickup master. The bearing needed a 3/4" bore to work as designed, and the master was 1". I sent the master to Serria Brake and they sleeved the clutch side of the master down to 3/4" and all was good.
     
  10. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,903

    need louvers ?
    Member

    I've used my QuarterMaster T/O for well over a hundred thousnad miles with out a hitch... I do use a Wilwood 7/8" master too.
     
  11. LKPar1270
    Joined: Oct 31, 2008
    Posts: 82

    LKPar1270
    Member

    I ended up using an external slave from Speedway. With the 1 inch bore master (early Ford brake master) the pedal pressure was very high. I changed the pivit point on the pedal and that improved quite a bit. Still a little stiff for my wife, I may sleeve the master later if it's a problem.
     

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  12. gtowagon
    Joined: Mar 23, 2011
    Posts: 406

    gtowagon
    Member

    I have used the McLeod hydraulic throw out bearings on a couple past projects with Muncie transmissions and have one forget current build. I have never had a problem with any of them in years of service as mentioned already just make sure you have your measurements correct and you should not have a problem
     
  13. PackardV8
    Joined: Jun 7, 2007
    Posts: 1,190

    PackardV8
    Member

    FWIW, it's the hydraulic throwout bearing for all my builds. I've used the McLeod, but on the last one, a Packard V8 with T85 3-speed OD, I used an OEM GM pickup unit and it was 1/4 the price and easier to set up besides.

    jack vines
     
  14. LKPar1270
    Joined: Oct 31, 2008
    Posts: 82

    LKPar1270
    Member

    I do like the cable operated throw out idea, wish I'd seen it before.
     
  15. powrshftr
    Joined: Mar 29, 2013
    Posts: 4,543

    powrshftr
    Member

    10,000,000 5.0 Mustangs can't be wrong...lol
    Seriously though,that cable is a simple,inexpensive way to go,plus it has the added benefit of still allowing you clutch foot some direct input from the clutch as it's engaging.That alone would be a big deal for me.
     
  16. ago
    Joined: Oct 12, 2005
    Posts: 2,199

    ago
    Member
    from pgh. pa.

    I had the Willwodd clutch master cylinder score, and turn the fluid into, look like anti seize mud. Took it apart and shrunk a stainlees sleeve for it.



    Ago
     
  17. vega1
    Joined: Feb 15, 2012
    Posts: 202

    vega1
    Member

    I have a hydraulic throw out bearing setup works great the ones that say they are junk and this and that probably didn't set them up correctly to begin with if you read the instruction set them up with proper clearance they work excellent
     
  18. EZ Cool
    Joined: Nov 17, 2011
    Posts: 265

    EZ Cool
    Alliance Vendor
    from Slaton TX

    LKPar, have you run this setup? It looks to me like the slave cylinder is on the wrong side of the clutch arm. It needs to push towards the rear.


     
  19. willymakeit
    Joined: Apr 13, 2009
    Posts: 1,326

    willymakeit
    Member

    That was worth everything. Just solved a dilemma I was having about a project I'm working on. Tham
    Nks
     
  20. LKPar1270
    Joined: Oct 31, 2008
    Posts: 82

    LKPar1270
    Member

    yeah, I'm running it now, works fine. I had the same thoughts when I put it on, but that's the only way the supplied ends on the slave worked for me. I thought it odd that the slave actually moved with the throw out arm instead of being anchored. By the way, this slave doesn't push, it pulls.
     
  21. 3030
    Joined: Dec 21, 2010
    Posts: 206

    3030
    Member

    Have one in the A from Speedway and it works fine. I'm always wondering when it's going to go bad though,so far so good. When I built the 34 everything is mechanical, a lot less to worry about. Jim
     
  22. SaltCoupe
    Joined: Jun 10, 2010
    Posts: 2,376

    SaltCoupe
    Member
    from Indiana

    I agree. I'll never have another Hyd throwout bearing. Slave cyl. is much better. If you have a leak it's external. Alot easier to fix out on the road. I used this from Novac. Includes bracket, slave cyl, throwout arm. Everything in the pic except bell housing. 200 bucks.
     

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    Last edited: Aug 13, 2013
  23. Drive Em
    Joined: Aug 25, 2006
    Posts: 1,748

    Drive Em
    Member

    The Speedway, Ram, Southwest Speed, Howe and other hydraulic bearings work great if they are set up properly, and if the bellhousing is properly indexed. (ask me how I know) I always hear the comment about how if you need ago service the hydraulic throw out bearing, that the tranny will need to come out. Well if you have a regular throw out bearing and the bearing goes bad, guess what, the tranny needs to come out as well. The problem with cables is that they need to be away from exhaust heat as the teflon inside the cable will melt. (ask me how I know) Choose the best setup that you can live with because none of them are perfect.
     
  24. verno30
    Joined: Aug 25, 2008
    Posts: 1,155

    verno30
    ALLIANCE MEMBER

    I used a Howe from Speedway behind a small block wiht a T5. Loved it. The only way to go in my opinion.
     

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