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-   -   brake booster (http://www.hotrodders.com/forum/brake-booster-202505.html)

mafiacustomz 07-23-2011 01:47 PM

brake booster
 
im working on a 88 1500 with a pre 86 350 with a qjet carb it isnt getting the right vacuum off the carb making it to where you have to pump the brakes to get the right pressure how can i get more vacuum to help the brakes

joe_padavano 07-23-2011 02:02 PM

Quote:

Originally Posted by mafiacustomz
im working on a 88 1500 with a pre 86 350 with a qjet carb it isnt getting the right vacuum off the carb making it to where you have to pump the brakes to get the right pressure how can i get more vacuum to help the brakes

Replace the master cylinder. If you have to pump the brakes, the M/C is bad.

mafiacustomz 07-23-2011 02:59 PM

its new that was the first thing i did master cylinder wasnt it not the right amount of vacuum

pepi 07-23-2011 09:56 PM

I would start here How much vacuum, have you read it? Plastic valve that the hose plugs onto on the booster, it is a check valve.


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