Marvel-Schebler® Conversion Kits
Kit PN: 666-660
Carb PN: 10-3878
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The 666-660 kit was introduced in service bulletin A11-62. The kit (and service bulletin) allow for modifications to be made to 10-3878 carburetors to realize “improved performance”. Service bulletin A11-62 applies to part number 10-3878 carburetors installed in select Moony aircraft with specific engines.
Later, service bulletin A3-63 allowed for the same modification to be performed on 10-3878 carburetors installed in Piper Cherokee aircraft.
The 666-660 conversion kit, includes the following part numbers: