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Sixfooter,
Even though 25 year old brakes have to be as good as those of today, I am still going to add hydroboost too. I should receive one from yellow73sb this week and will be doing the same things you are going thru now. I hope you get the answer to this and if not, as soon as I get mine, we can figure it out together! Good luck!
Bernie
well i was working on my brake system today and took my brake booster off and it fell apart so i am looking at either ordering a new brake booster from Kragen autoparts or maybe going to a hydroboost setup. need a little info on the hydroboost setup though. i am thinking that i might just stick with the original brake booster now that i have awsome vacume now at idle with my new EFI setup im getting 11" at idle now instead of the 3-5 inches that i had before.