Thread: Hydroboost
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Old 08-23-2025, 11:39 AM
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Lemans64 Lemans64 is offline
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Quote:
Originally Posted by hasels View Post
Hello. I just found this forum. I'm installing a hydroboost on my 71 LeMans with a hopped up 400 which doesn't have enough vacuum for my prior setup. It's all setup and installed, primed, etc. The power steering works as it usually did but when I push on the brake pedal, I get a few bump...bump...bump on my foot then it goes to the floor and does nothing. Any ideas? Before I changed the engine, the vacuum brakes worked incredibly well with 4-wheel disc brakes.
As mentioned you need to check this. Here is a company that sells Hydraboost systems that shows the difference in master cylinders and pushrods.
http://www.hydratechbraking.com/GM_A_Body.html

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