oil filters and oil pressure increase ?

Dana67Dart said

I walked right into that one. :lol: My oil pressure warning light used to come on at idle till I changed it (it was the OE sender)

What are you getting for pressure? My 67 273 has an 8lb switch (IIRC) Mine runs about 10 lbs at hot idle with 30w (higher with 40w) about 100,000 miles on last rebuild. (50 to 60 lbs at speed)

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Haha. I'm not sure honestly my gauge has three dashes a 0 a 40 and a 90! Usually when idling cold it will be right at 40 when its warm it will be right to the left of 40 while driving it's quite a bit to the right of 40. So I'm guess like 30 to 32 during idle and 50 to 55 during driving. That is in a magnum 318 with 260k miles.