I have a 250ish duration cam on a 112 LSA in my 383 and the brakes suck. I've bled them and even replaced the master cylinder but they still suck. I haven't paid much attention to how much vacuum it's pulling with LT1 Edit, but I'm pretty sure it's not enough.

What can I do to improve my brakes?

Mods: I thought I'd get a better response in this forum since there are probably more people with big cams here than in the suspension and brakes forum.

 

I think you need a vaccum canister.

 

Any specific type? Where can I get one and where can I mount it under the hood?

 

Summit sells them. Mount it wherever it's convenient i'd say

 

Thanks for the help. Also, can I get the rubber grommet that hooks the vacuum line into the brake booster from Autozone or Pep Boys, or is that a dealer only item?