oil pressure and 30 wt oil in a Y


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By texasmark1 - 15 Years Ago
after checking out some of the past threads on oil pressure, I have a question:

my OP is 60-70 consistently w/ plain ole Q State 30 wt. oil (recent rebuild, approx 500 mi on engine so far)...

should I switch to perhaps a multi-weight, like 10-40, in the interest of bringing down my OP just a bit to more in the range of say 50?

or

am I okay to stay at 60-70 lbs?

thanks,Mark

By crenwelge - 15 Years Ago
Are you sure your gauge is right. I use a master gauge when I'm in doubt. Gauges in the dash are quite often inaccurate.
By texasmark1 - 15 Years Ago
using a SW mechanical plumbed right into the engine...

it better be right!

By 57f100 - 15 Years Ago
my oil gauge goes straight to the motor i use 20 50 oil pressure stays between 40-55
By 314 - 15 Years Ago
mine runs 65 and idles at 50.changing to 10  40 wouldnt help.some engines will burn oil with high pressure but it doesnt hurt anything else.you must have a heavy spring in your pump.my new pump had 2 springs so i put in the heavy one.its easy to change to a lighter since a y has an outside pump.i havent driven mine yet so dont know if i will have to change it.