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Old 06-30-2020, 06:06 PM   #1 (permalink)
eco....something or other
Join Date: Jul 2009
Location: Colfax, WI
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wood hauler - '91 Ford F-250
Team Pontiac
90 day: 18.97 mpg (US)

Rav - '06 Toyota Rav4 Base
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Airflow through an air compressor valve

I am working on refurbishing an air compressor that was abused and left in a snowbank all winter.

I am trying to reduce restriction as much as possible.
It is rated at 25 cfm. I did some porting on the head, but I am stuck on the valves. They are disk valves and only have about .065 of lift and are 1.3" in diameter. This does not allow much flow, especially when the aur deadheads into a casting about .125" from the valve and has to do a right angle turn. Thats why I ported the heads. I would like to increase the lift a bit. Is anyone familiar with disk valves? Online seatching returns 0 results.


1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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