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Posted for "Gary Edwards" <gary21sn@hotmail.com>:

Has anyone installed the additional cooling ducts/vents in the bottom cow=l as described in the factory Lancair Mail Newsletter, 3rd Quarter 1995 (Volume 9, Issue No. 3), page 6?  If so, did they lower the CHT's?

I am currently trying to improve upon my existing CHT cooling system on my modified 235 cowl. (320 engine).  The 235 bottom cowl is a bit short in regards to sufficient exit air area and doesn't come close to the 1 to 3 cooling ratio.
Gary Edwards

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Please send your photos and drawings to marvkaye@olsusa.com.