Double flapper boxes - how closed is closed?

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Bill Lawless · #16 Post by **Bill Lawless** » Tue Sep 20, 2022 8:07 am

Buried deep in my shop I found the Lower Tubes, Thermostat, Cross Bar with flaps, and the Snout? So I re-finished them and installed, Is there a procedure to know
if there working properly. I'm assuming, warm up the engine, flaps fully closed..

James Rowe · #17 Post by **James Rowe** » Tue Sep 20, 2022 8:14 am

Bill Lawless wrote: ↑Tue Sep 20, 2022 8:07 am Buried deep in my shop I found the Lower Tubes, Thermostat, Cross Bar with flaps, and the Snout? So I re-finished them and installed, Is there a procedure to know
if there working properly. I'm assuming, warm up the engine, flaps fully closed..

Here is the adjustments from the factory manual.

Bill Lawless · #18 Post by **Bill Lawless** » Tue Sep 20, 2022 9:07 am

Thanks James... Looks easy enough!!!

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Double flapper boxes - how closed is closed?

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