Oil dipstick full mark

1 qt is about 7/16" on the dip stick.

65barracudaLA said

the closest to that and I potentially have way too much oil in my engine

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By my calculations you MIGHT have around a qt too much.

Personally, i would dump the oil and the filter. Refill with 5qt and remark the stick.

too little oil bad, too much oil bad.

too much oil can foam up.