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Old 10-16-2021, 11:32 AM   #3
57taskforce
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Join Date: Jun 2014
Location: Farmington, New Mexico
Posts: 6,229
Re: Using van hydroboost - will van master cylinder work?

Quote:
Originally Posted by Bocephus69 View Post
Is anyone using the master cylinder off their hydroboost donor vehicle? This came off a 2009 express 3500 van. If so... The van did not have a proportioning valve. Do still need to run one on the C10? Photo of van's master cylinder is attached
I’m using one off a 2009 silverado 2500HD in my 72 K20. I ditched the plastic master cylinder and used a new Napa master cylinder for a 72 K20 (my truck) on the Silverado HD Hydroboost unit which allowed me to use the OE proportion valve from my K20.

Hope that helps.
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