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The basic Lycoming core engine (380 Lbs) weighs about the same as a
Continental (certainly not a 100 lb difference). "Fully dressed" with
everything bolted on and 12 quarts in the sump, my TIO-540 weighs 609 Lbs,
measured. This is the installed weight. The published weight is the weight
of the engine as it leaves the factory and can vary widely due to the
inclusion or omission of accessories, exhaust system, turbos etc...

To do an accurate comparison you need to either weigh both engines or start
with the published weight and an equipment list and add up the weights to
get an installed weight for both.

Also consider that engines are not necessarily the best place to save weight
;)

Regards
Brent Regan

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