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A quick word about CIH engine oil filters (Ford 1/2" thread):
Stock - small diameter, short: AC SD; GM 7965051; FRAM PH966B
Plus1 - larger dia, short, more capacity: FRAM PH16
Plus2 - larger dia, med, more capacity: FRAM PH43
Plus3 - larger dia, long, more capacity: FRAM PH8A
GT: Stock or Plus1
Kadett: Stock or Plus 2
Manta/1900 w/o A/C: Stock or Plus2
Manta/1900 with A/C: Stock ONLY!*
Remote filter: Plus3
* Manta/1900 GM A/C compressor mounts low on right side of engine and front edge compressor mounting plate will eventually wear hole in side of any filter but stock due to proximity and vibration . . . not enough clearance for bigger diameter oil filters. The recommended use of stock GM filter for vehicles with A/C is specifically mentioned in the Manta/1900 Owner's Manuals!
Stock - small diameter, short: AC SD; GM 7965051; FRAM PH966B
Plus1 - larger dia, short, more capacity: FRAM PH16
Plus2 - larger dia, med, more capacity: FRAM PH43
Plus3 - larger dia, long, more capacity: FRAM PH8A
GT: Stock or Plus1
Kadett: Stock or Plus 2
Manta/1900 w/o A/C: Stock or Plus2
Manta/1900 with A/C: Stock ONLY!*
Remote filter: Plus3
* Manta/1900 GM A/C compressor mounts low on right side of engine and front edge compressor mounting plate will eventually wear hole in side of any filter but stock due to proximity and vibration . . . not enough clearance for bigger diameter oil filters. The recommended use of stock GM filter for vehicles with A/C is specifically mentioned in the Manta/1900 Owner's Manuals!