05-21-2015, 03:43 PM
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#71
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Senior Member
Join Date: Nov 2014
Drives: Fast
Location: Austin, Texas
Posts: 790
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Mentioned: 4 Post(s)
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Quote:
Originally Posted by bfrank1972
That thing is so quiet compared to the twin screw units - always thought the roots units would howl just like a twin screw. Maybe it's the teflon coated rotors...
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This is the secret!
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