what size oil filter should i use
The stock size. Your car parts store will tell you which one you need. Just get a good quality filter, no orange Fram's.
A/C Delco, Wix, MicroGuard, Bosch, Motorcraft are all good filters. There are many others that are good also.
The Fram gold and silver colored filters have a very high efficiency rating. The orange ones do not.
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