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Old 12-28-2017, 09:38 AM
Ces 140 Ces 140 is offline
Join Date: Apr 2016
Location: Yorkville Il
Posts: 58
Default O-360 Wide Deck Cylinders?

7 is about ready for the engine. A O-360 A3A and its time to purchase cylinders. Big question ? stock Lycoming or different brand like Superior Please help thanks
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1948 C-140 Flying By us for 13yrs
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Old 12-28-2017, 10:11 AM
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Raymo Raymo is offline
Join Date: Nov 2014
Location: Richmond Hill, GA (KLHW)
Posts: 1,739

I've read the Superior Millennium flow better out of the box than stock Lycoming. Less expensive too, I believe. If you plan to send them out for porting and polishing (e.g. Lycon), maybe only price matters.

Having read many ECI complaints over the past few years, I'd stay away from them.
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Old 12-28-2017, 11:29 AM
blastinbill blastinbill is offline
Join Date: Mar 2016
Location: Vienna, Virginia
Posts: 13
Default ECI cylinders

I've had 6 ECI cylinders (2 are still on) on my Mattituck overhaul exchange O-360 A1A since 1998, and all have been subject to ADs for cracking. None have failed, however, and the ECI Titans now on my engine have gone 800 hours over 12 years with compressions in the low 70's. The rear cylinders are Lycomings installed in 2001 which now have 1200 hours over 16 years with compressions in the middle 70's.
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