O-320-E2D • TRADE WANTED • I have a Lycoming O-320-E2D, conical mount, 7/16th bolt hole size for the prop. I have been attempting to do a swap on my grumman yankee but the setup on this engine has made it difficult. It was overhauled in 2022 and has 40 SMOH. I am looking for a 0-320 with a rear carb sump setup, 3/8th flange bolts, is not high time, willing to trade. this engine is in fantastic condition only selling/trading to make this swap go easier. Happy to send pics via email or text. • Contact William Head , Owner - located Tompkinsville, KY 42167 United States • Telephone: ---------- • ---------- • ---------- • Posted July 24, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad