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Old 06-14-2019, 10:23 PM
invnsnt invnsnt is offline
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Join Date: Sep 2015
Location: SF Bay Area
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Quote:
Originally Posted by vox_incognita View Post
The second flap is devised to be free (not attached to anything), see:

Can This Be Right?!
Can This Be Right?!

Added in the early 60ies and some documents describing the operation of pneumatically governed IP pumps show only one flap in the intake(like here):
https://www.startekinfo.com/StarTek/outside/12265/disc_2/program/Engine/615/07-010.pdf
Thanks for the information! Anybody have a part number for the gasket between the butterfly valve assembly and intake manifold? And any general maintenance you'd recommend while it's disconnected?
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