Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Brake booster
Thread: Brake booster
View Single Post
  #2 (permalink)  
Old 01-02-2009, 03:40 PM
sunsetdart sunsetdart is offline
Registered User

Last journal entry: 50 Ply wagon
Last photo:
Join Date: Oct 2008
Location: Pottstown,Pa
Posts: 753
Wiki Edits: 0

Thanks: 0
Thanked 52 Times in 51 Posts
You didnt say if they are power brakes. If they are, then you may have a crack in the vacuum hose that goes to the manifold, so when you apply the brakes, the crack allows vacuum out of manifold. Thats why the RPM's go up.
Reply With Quote