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    1. #1
      Join Date
      Oct 2006
      Location
      Norway
      Posts
      513

      S10 master port location, Hydraboost, Distr block.

      I have fitted the hydraboost and turned down the neck on the mid -80s S10 master to fit.
      - Is there another GM master (non angle location) 24mm/ 15/16" with the ports on the inside? This will make the plumbing easier. 24 & 31.75MM CYL BORE MC P/N: GM 18030555, or Delco 18M313 Will this fit ?
      - Can I use the distribution block with warning light from a -68 Nova ? Then I will maintain the function of the light. ( I will add the adjustable proportion valve on the rear line.)



    2. #2
      Join Date
      Feb 2006
      Location
      Houston, TX
      Posts
      33
      Country Flag: United States
      The 1998 and up S10 master cylinders have the ports on the inside. It is a 1.0" bore and both ports are 1/2-20 inverted flare. Your S10 master has a rear port of 1/2-20 and a front port of 9/16-18. I do not think there is an adapter to convert the 1/2-20 outlet to a 9/16-18.
      David Schultz
      MalibuDave
      www.manualbrakes.com



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