Super low idle. Sounds cool but......
Club Member
Joined: Apr 2011
Posts: 5,817
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From: SE Louisiana
The bottom end is pretty much splash lubed from the return oil at hot idle.
Shovels get away with low idle because of the heavier flywheels which has more inertia, and not stop and go and beat the crank bearings out of it.
Same thing happens when lugging.
Road Captain
Joined: Jul 2014
Posts: 721
Likes: 18
From: Galesville, WI
This also makes me think of how some guys freak out on how low the psi reading is on the gauge. Then they will be advised to not pay any attention to it. I am curious though since our EVOs are more Flow than PSI, why would we NOT have a flow gauge in a critical area of the motor instead of a PSI gauge? It is possible. Oddly enough on mine tho, I can consistently see a gauge read out of up to 20psi.
Seasoned HDF Member
Joined: Jan 2015
Posts: 16,021
Likes: 7,145
From: Sandy Eggo's North County
My EVO has idled @ 850-900 rpm since 1994. Wish I'd known that the low idle speed would beat up the crank bearings. Sure glad I've used high quality oil in it since day one...
You're right though, it's about "flow."
My "cold" oil (60F) pressure at 1500 rpm is 28psi. Once warm, it settles down to 18-19psi at idle.
You're right though, it's about "flow."
My "cold" oil (60F) pressure at 1500 rpm is 28psi. Once warm, it settles down to 18-19psi at idle.
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