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New issue. Now the brakes.
Hey all, I have a 70 C10 I am finishing up restoration on and I have a possible brake issue. I upgraded the front brakes to disc and kept the rear drums. I did add a CPP booster, master and proportioning valve kit. They all came together for my application. The part number is 6772CT. So my issue is when the engine is off the brake pedal feels great. I bled the entire system and there are no air bubbles I can see. When I start the engine the pedal gets really soft and will practically push all the way to the floor. Do I have a booster issue maybe? I have not checked what kind of vacuum I have yet. I do have a very mild cam that has an only slightly noticeable lope. Nothing radical. Where should I start with troubleshooting? Thanks
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