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Which sump to buy?

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lanceav8r

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I am trying to decide which sump to buy for my engine project on the Pitts S1S.

My choices are: Lycoming, Superior, ECI or Sky Dynamics. Looks like I can get the superior for around $1,300.00 The Sky Dynamics is about 3 times as much. Is it really worth three times as much?

Anyone with experience on the Superior or ECI sump for aerobatics?
 

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