Quote:
Originally Posted by ou812545
Doug,
Dean,
Good information as well. Did you pull the engine each time to make the adjustments to the pump or is there a way to test this with the engine on the stand?
I have a consistent 43lbs no matter what the rpm is.
Thanks,
Dan
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Dan, the only way to check and recheck this (unless you are a pro and have installed a gazillion of them and know, by sight, where to set the spring) is to drop the pan (in the car). I just eye-balled it off the old pump and am comfortable with where the pressures are.
Quote:
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Originally Posted by madmaxx
Is your engine a gear pump?? That is insane to run that high of oil viscosity, your roller lifters are probably starved for oil. You want to run the lightest weight oil which provides lubrication, even Roush recommends 10w30. New engines from GM and Ford run 5w20. Go ahead and install a 160F thermostat that will ensure your engine be worn out in about 3500 miles. |
Max, the engine was run on 20w-50
synthetic its entire life, but then I had my oil pressure go and I swapped out the bearings (they were showing signs of premature wear). My clearances were all .002-.0025 (on the higher side). Moved to a 10w30 just like you specified and the pressures were not consistent both at idle and throughout the rpm range. Went to the Kendall on a recommendation and it's worked fine thus far. And I'm running a 180 T-stat and the engine stays at 190-195 in traffic. I've never heard of roller lifters being starved by a heavier oil...educate me.
-Dean