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Old 10-15-2021, 05:10 PM   #1
Bocephus69
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Using van hydroboost - will van master cylinder work?

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
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Old 10-15-2021, 05:40 PM   #2
Keith Seymore
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Re: Using van hydroboost - will van master cylinder work?

I would say yes.

The van is a full bodied vehicle and is going to gave a lot more weight over the rear wheels than a pickup does.

I would suggest an adjustable prop valve, so that you can tune what it really wants, rather than trying to match an off the shelf replacement.

K
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Old 10-16-2021, 11:32 AM   #3
57taskforce
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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
Im 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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