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I run 5w30 in everything I own. I don't have a problem with Oil Pressure. This will help explain the different weights. http://auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question164.htm But what oil to run usually seems to dependon the person lol. Every Forum I've ever been on there's people that say 20w50 to people who say 0w20. For what it's worth I've always ran 5w30 without any problem.
k thanks
Older motors are not as sensitive to different viscosities, as you can see that several people run different wieghts, brands and types. I will say that I would not run a synthetic in a motor with a lot of miles that didn't run it from the start. Once the seals are conditioned for either synthetic or conventional you should stick with that type and never fall for the blends they are a waste.
Blends are usually the best value. They are usually at least 50% Synthetic and I've seen some brands are as much as 75%. You get a lot of the benefits of Synthetic without paying the premium 100% offers.
What's your evidence for this? It seems that what I've heard is that the numbers are not generally advertised and a very small amount of synthetic will allow an oil be a blend.
delo 400 ftw
I make more money that you, my wife is hotter than yours, my thingy is bigger than yours
i ran valvoline 5w30 in my 22re at all time and it was fine till my buddy put it in his first gen and carbd it snapped a rod bering/ bot halves broke in half.
I run 10w30 year round. Castrol Syn or Valvoline Syn is what I usually run, but after I rebuilt I started running conventional Rotella T for the additives. I only have about 2500 miles on it and no complaints
living in the south I run 10w40 in the winter and 20w50 in the summer. 110* in the shade and stop and go traffic sometimes the 20w50 needs some help
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