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    Results 1 to 13 of 13
    1. #1
      Join Date
      Oct 2009
      Posts
      220

      wilwood master cylinder choice

      im looking to get rid of the old master and booster for a nice clean wilwood master cylinder

      I would like to know what bore size is recommended for 4 wheel disc with no booster

      thank you
      1969 frost green camaro
      LS3
      Speedtech pro touring front subframe
      ridetech rear 4-link
      moser 12 bolt eaton tru trac 3.73

    2. #2
      Join Date
      Oct 2014
      Location
      DFW, Texas
      Posts
      422
      Country Flag: United States
      It does depend on your pedal ratio and volume of fluid that needs to be displaced [piston size & count].

      That said, I've ran a 7/8" and a 15/16" in my 'Cuda with 4-wheel Wilwoods [6piston/4piston], I prefer the effort and stroke balance of the 15/16".
      1972 Plymouth 'Cuda - Not LS-swapped, 5.7L Hemi [MS3 Gold Box], T56 Magnum 6-speed - 'Cuda Build Page
      1976 Dodge D100 - Warlock
      2016 Subaru WRX - E30 Tune

    3. #3
      Join Date
      Feb 2018
      Location
      Southern IN
      Posts
      144
      Country Flag: United States
      I run the Baer Remaster in 15/16’s with 6 piston fronts/4 piston rears and the pedal feels great. Moved the pushrod position to the upper hole in my brake pedal. I would recommend using an adjustable prop valve as well to tune to your liking.
      Shane
      #theanchorholds
      68 Camaro build thread:
      http://lateral-g.net/forums/showthread.php?t=56387

    4. #4
      Join Date
      Oct 2009
      Posts
      220
      Im running c5 calipers up front and right stuff calipers in the rear

      My hardlines are the same size front to back i believe they are 1/8”
      It is the speedtech custom brake lines for their pro touring subframe and it comes with wilwood prop valve
      1969 frost green camaro
      LS3
      Speedtech pro touring front subframe
      ridetech rear 4-link
      moser 12 bolt eaton tru trac 3.73

    5. #5
      Join Date
      Aug 2015
      Location
      NJ
      Posts
      282
      Country Flag: United States
      I am running a Wilwood 1" manual - 6 piston up front and 4 piston rear. Braking is phenomenal
      '68 Chevy Camaro Pro-tour ~ project DMENTD
      '57 Chevy 3100 Pro-tour pickup ~ under construction

    6. #6
      Join Date
      Jan 2005
      Location
      tx
      Posts
      48
      Country Flag: United States

      1 inch CPP master

      I have 4 piston Wilwood on front and factory drums on rear. 1" bore with a 6:1 pedal ratio. works perfect
      66 Impala
      86 Corvette
      85 C20
      77 Cordoba

    7. #7
      Join Date
      Jun 2010
      Location
      Deployed
      Posts
      3,280
      Country Flag: United States
      How about I chose BAER? I hate Wilwood!
      1970 Camaro/DSE build


      Are you driver enough? Maybe....come on blue!
      https://www.pro-touring.com/threads/...71#post1147371

    8. #8
      Join Date
      Jan 2005
      Location
      tx
      Posts
      48
      Country Flag: United States
      Quote Originally Posted by badazz81z28 View Post
      How about I chose BAER? I hate Wilwood!

      why do you hate Wilwood ?
      66 Impala
      86 Corvette
      85 C20
      77 Cordoba

    9. #9
      Join Date
      Jun 2010
      Location
      Deployed
      Posts
      3,280
      Country Flag: United States
      Quote Originally Posted by skybu View Post
      why do you hate Wilwood ?

      Because they wouldn't stand behind their products for me. I had a master cylinder go bad on me in less than a month (leaking) and they would do nothing. Told me their parts do not have a warranty.
      1970 Camaro/DSE build


      Are you driver enough? Maybe....come on blue!
      https://www.pro-touring.com/threads/...71#post1147371

    10. #10
      Join Date
      Oct 2018
      Location
      Phoenix, AZ
      Posts
      584
      Country Flag: United States
      Quote Originally Posted by badazz81z28 View Post
      Because they wouldn't stand behind their products for me. I had a master cylinder go bad on me in less than a month (leaking) and they would do nothing. Told me their parts do not have a warranty.
      Hate to say it, but I have heard a few of these stories. I went Baer for my master as a result. They may be a little more expensive, but they make beautiful products with a proven record of success and solid customer service. Plus they do a lot to support the pro touring community and events.

      As far as picking which size bore, just call. That's what I did and they were really helpful. I did try to call Wilwood for advice and sat on hold a loooonnnggg time before I was told to make a bunch of measurements and call back later. But hey..maybe it was just an off day.
      '95 F-150 track ready street beast
      Want more projects/photos? Check my Instagram

    11. #11
      Join Date
      Jan 2005
      Location
      tx
      Posts
      48
      Country Flag: United States
      Quote Originally Posted by badazz81z28 View Post
      Because they wouldn't stand behind their products for me. I had a master cylinder go bad on me in less than a month (leaking) and they would do nothing. Told me their parts do not have a warranty.
      okay, I was just curious. So far my Wilwood experience has been great. Before I bought their 12.19" dynalite front kit I talked to Wilwood,Baer and CPP. I got great help and tech information from all three. I am very impressed with the quality and performance of the Wilwood kit. I have not had any problems yet so I cant speak for service after the sale. I am NOT using a wilwood master just because I cant stand the way they look. I bought a CPP aluminum master cylinder.
      66 Impala
      86 Corvette
      85 C20
      77 Cordoba

    12. #12
      Join Date
      Jun 2010
      Location
      Deployed
      Posts
      3,280
      Country Flag: United States
      Watch Wilwood calipers too as some of them use pipe thread instead of tapered seats for bleeders and banjos
      1970 Camaro/DSE build


      Are you driver enough? Maybe....come on blue!
      https://www.pro-touring.com/threads/...71#post1147371

    13. #13
      Join Date
      Oct 2019
      Posts
      13
      I contacted Wilwood on what master I should be looking at. The guy wrote back and said they strongly recommend being able to make 18 inches of vacuum at idle to acheive proper vacuum assist. How many performance engines are making 18 inches.







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