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Thread: FS: Hydroboost mounting adapters

  1. #21
    Registered Member chevynut's Avatar
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    Quote Originally Posted by Indianadroptop View Post
    What's the current price on the flush plate CN?
    $59.95 plus $5.75 shipping.

    I edited the original post to correct the pricing. My new CNC laser part supplier has increased the cost.
    Last edited by chevynut; 05-18-2015 at 07:39 AM.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  2. #22
    Registered Member rockytopper R.I.P 5-13-2017's Avatar
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    I received my plate looks great!!!
    Do you know what year Astro van boosters will fit? I'd liked to buy a complete used unit with MC & hoses.
    Also it was already ask but does the standard MC like the CPP unit fit the Astro booster?
    Thanks
    Rocky

  3. #23
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    Commonly used master cylinders will bolt up but you may need to modify the pushrod.

  4. #24
    Registered Member Gregs04.5's Avatar
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    A little off topic, but how do you rig the rod from the pedal, to the hydro boost? My hd unit currently has a swivel rod with a giant eyehole on the pedal end, does this pop out?

    I bought one of your plates off ebay, nice work on that, fit is awesome. Now I need to figure out linkage after I get it powder coated.

    Thanks in advance, Greg.

  5. #25
    Registered Member chevynut's Avatar
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    Greg, here's what I did. I don't remember exactly how I pulled the stock pushrod out but it's "crimped" in place with a ball on the end as I recall. I think I threaded the rod and used a nut, washer and a bushing and tightened the nut to pull the pushrod out...



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    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  6. #26
    Registered Member Gregs04.5's Avatar
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    Thanks, that helps a lot, like the old saying, a picture is worth a thousand words, and can save a ton of hours.
    Thanks again, Greg.

  7. #27
    Registered Member rockytopper R.I.P 5-13-2017's Avatar
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    Thanks Cnut!! I attempted to install the used booster I purchased for mockup which included the master. I was disappointed it fouled with the coils on the LS2. But after looking at the nice nomad video again I realized the booster can be mounted 180 degrees from how it was in the van it came from. So looks like it will work. Now if I can get the rod out as you discribed I should be in business. Looking back now guess I should have just looked at the first pics you posted in this thread that show the correct orientation for a trifive.
    Rocky
    Last edited by rockytopper R.I.P 5-13-2017; 10-15-2015 at 06:22 PM.

  8. #28
    Registered Member rockytopper R.I.P 5-13-2017's Avatar
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    Success!!! After attempting to remove the rod from the booster with a big hammer I gave up did some research and found folks had made a make shift press devise as Cnut discribed but reading more info there are 2 types of boosters one has a removalable rod the other has to be sawed off and pulled thru the booster during rebuild. Anyhow a guy on the chevelle forumn just cut the flat off the existing rod and threaded it. So I did. It works perfect on a trifive bolted right in.
    Thanks again for the bracket Laz!!!


    Last edited by rockytopper R.I.P 5-13-2017; 10-23-2015 at 01:41 PM.

  9. #29
    Registered Member chevynut's Avatar
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    Cool! I actually tried to do the same on mine but decided to just pull it out.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  10. #30
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    I thought about pulling the ball out of the crimped socket, and tried meagerly to do that. When it didn't easily come out, I decided instead to thread the shaft using a common external thread die, after cutting the eye off. Worked out fine. So there are several ways to skin the cat.

    It's been a few years, I was able to score a brand new never used Astro van hydroboost off Ebay for $60. Used to be quite a few on Ebay, but I haven't looked recently.

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