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  1. #1
    Join Date
    Aug 2007
    Location
    Denton Texas
    Posts
    1,074
    Country Flag: United States

    Default stepping out of my zone, whats the differnece between manual and boost assit brakes?

    Hey guys, I bought this car below, and its set up with a Manual brakes, I want to add a Hydra-boost as the subframe/gage brace gets in the way of a typical Booster..But than I though about it, what the difference between all the various set ups.. and does any recommend a Hydra-boost?

    https://lateral-g.net/forums/showthread.php4?t=30588

  2. #2
    Join Date
    Apr 2019
    Location
    WI
    Posts
    3

    Default

    Personally I am a manual brakes fan. When set up correctly they provide the same stopping power as assisted brakes and keep the engine bay looking clean. I have heard that hydra-boost can cause problems when turning and heavy on the brakes. I don't have any experience with that system though, looked into it once but didn't want to have to change my reservoir on my serpentine setup and have a mess of ugly lines.

  3. #3
    Join Date
    Aug 2007
    Location
    Denton Texas
    Posts
    1,074
    Country Flag: United States

  4. #4
    Join Date
    Jun 2012
    Location
    Chicago burbs
    Posts
    96
    Country Flag: United States

    Default

    I chose not to use the hydroboost that came on the LQ9 because it requires the steering pump to maintain a volume flow that decreases sensitivity in the steering, and steering feel is what I've been chasing now for a while(by reducing flow).

    This week I am installing a 1 1/4 Mc with a C6 dual 9'' booster. I am doing this because my current pedal travel with the 1/8th is too much for me to effectively(read: at all) heal toe on track. The brake feel is also vaugue-ish and I can lock em up with just a little more effort than than my ankle(yes I'm big boned).

    So, while I don't know if it's what I'm trying to get(should know next week), I'm hoping that I am trading more leg force for less travel. For reference, I am using D52 calipers up front and D154 calipers in back with Wilwood BP-20 pads.

    There is a staggering amount of info this thread "Brake sizing and selection tutorial featuring Ron Sutton and Tobin of KORE3". The maths I learned from that thread say I should be heading in the right direction, we shall see. Hope this helps some.

    1969 442 6.0L LQ9 T56
    Fab9 w/ custom 3 Link conversion
    FAYS2 Watts link
    Thanks to Mark at SC&C for his honesty and passion for the sport, and Ron Sutton for the wealth of knowledge that has helped shape so many of the cars on this site.

  5. #5
    Join Date
    Oct 2018
    Location
    San Jose, CA
    Posts
    264

    Default

    Not really. If properly designed you won’t need more leg force than a similar brake package with booster. What you will have is more pedal travel. Assuming you use a manual friendly ratio in the 6.x range

    1971 Camaro - 406
    2016 Camaro SS convertible
    2018 Colorado 4x4




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