Pietenpol-List: 0235 engine report
Posted: Mon Aug 31, 2009 1:50 pm
Original Posted By: AMsafetyC(at)aol.com
Subject: Pietenpol-List: 0235 engine reportNews good and not so good!The guy from the repair/inspection shop called this morning on my Lycoming 0235 engine that nosed over and may or may not had a direct prop strike.Engine case Zyglowed particle and magna fluxed Found to be goodCrank shaft, dowel and gear magna fluxed and found to be goodValve trainCamshaft cannot be reground so that's junktappets may be resurfaced if put against a new cam not if put against an reground or serviceable camA replacement cam is hard to find.Lycoming cams were being built by Lycoming their shop shut down and cams are being produced by crane cams who just closed its doors. Presently all aviation cams for Lycoming are in short supply as rare and all being back ordered.The industry is awaiting FAA approval of another cam manufacturer. I made several contact for quotes today with few replies that all indicated none are available. Lycoming additionally has attempted to uy back existing new stock of tappets also.cylinders 3 out of 4 heads showing spider cracks around sparkplug holes not good but repairable1 out of 4 barrel needs work but can be recoated and brought into specCylinders are being sent out to Indiana tomorrow for welding and servicing.So far the bills are mounting up but still better than 800.00 per cylinder.This engine was according to logs, well maintained and services according to the logs. the cam and tappets corroded due to internal moisture after the crash so it wasn't abused or mounted on another vehicle it was neglected during its down time.Some thing to be considered when purchasing a used engine. More info as it becomes available.If anyone has a line on 0235C1B parts I am interested.John________________________________________________________________________________
Subject: Pietenpol-List: 0235 engine reportNews good and not so good!The guy from the repair/inspection shop called this morning on my Lycoming 0235 engine that nosed over and may or may not had a direct prop strike.Engine case Zyglowed particle and magna fluxed Found to be goodCrank shaft, dowel and gear magna fluxed and found to be goodValve trainCamshaft cannot be reground so that's junktappets may be resurfaced if put against a new cam not if put against an reground or serviceable camA replacement cam is hard to find.Lycoming cams were being built by Lycoming their shop shut down and cams are being produced by crane cams who just closed its doors. Presently all aviation cams for Lycoming are in short supply as rare and all being back ordered.The industry is awaiting FAA approval of another cam manufacturer. I made several contact for quotes today with few replies that all indicated none are available. Lycoming additionally has attempted to uy back existing new stock of tappets also.cylinders 3 out of 4 heads showing spider cracks around sparkplug holes not good but repairable1 out of 4 barrel needs work but can be recoated and brought into specCylinders are being sent out to Indiana tomorrow for welding and servicing.So far the bills are mounting up but still better than 800.00 per cylinder.This engine was according to logs, well maintained and services according to the logs. the cam and tappets corroded due to internal moisture after the crash so it wasn't abused or mounted on another vehicle it was neglected during its down time.Some thing to be considered when purchasing a used engine. More info as it becomes available.If anyone has a line on 0235C1B parts I am interested.John________________________________________________________________________________