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Re: A thread for Hydroboost (not Hydravac) questions
I picked up the calipers Reman at napa for a 3/4 truck. Who knows what get gave me as I didnt measure the piston. It's got a 1" bore iron master cylinder. The rear wheel cylinders are for an 80s hd 3/4 truck. My guess is they are probably 1". This is all good good for thought. My booster doesn't appear to leak but I've not put a vacuum gauge on it to be sure. I'm kind of leaning tward a defective booster myself which is why I'd like to Pursue hdroboost.
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