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Originally Posted By: 440Magnum FWIW... as a long-time Mopar guy, I really don't think there's a sound reason for using 15wXX HDEO oils for a 318. NO, it absolutely WON'T hurt. But all its going to do is slow oil flow on startup, jack the oil pressure up silly-high, put some (probably not...

I was shopping for oil awhile back, probably a good 5 years ago and was looking at Pennzoil. now... someone came up to me, the guy was covered in oil and grease and told me he was a mechanic after I questioned him on it. Anyways he recommended I steer clear of Pennzoil. From the way he tells it...

Well [censored], I guess I'll be replacing a lot more than my oil this weekend! I've heard from various people that adding an additive to oil messes up the levels of the oil and in effect degrading it since it's no longer a fine balance done by the manufacturer, any truth to that? I...

Hello everyone, my first time posting here after being a lurker for awhile. I just bought a 1972 Plymouth duster, it's got the original 318 5.2L V8 in it. The odometer only shows about 80,000 miles on it. As far as I know it runs like a champ, starts up easily, purrs like a kitten, and doesn't...