WHAT THE DIFFERENCE????
I am getting ready to replace my whole brake system, I went to look at the power booster, and they have a 7" one and a 9" what is the difference between the two? I have a 72 chevy lwb truck, I have even seen them that are 9". I would like to know what the difference is, and which one is the best and why is it the best?
Sam
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72 LWB chevy truck.
Pasadena, Texas
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