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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2005 Posts: 19 'Bolter | | 'Bolter Joined: Aug 2005 Posts: 19 | Power brake master cylinders usually have a different pedal ratio than manual ones. The rod attaches further from the pivot to give more rod travel for the same given pedal travel.
I will post the correct ratio if I can find it.
You should use the same diameter or a larger piston than the manual version as well. This will ensure the proper amount of fluid flow to the wheel cylinders. | | |
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