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I'd rather do it myself
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18,570 Posts
Discussion Starter #21

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Night team.
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161 Posts
I have the same sender in your picture from Prosport and it's been good for about ~2 years. I had one go bad early on but I stopped by their shop and they helped me out. Really cool guys.

I have my oil filter housing tapped for pressure and I see ~31-34lbs at warm idle and ~60 cruising.
 

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I'd rather do it myself
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18,570 Posts
Discussion Starter #25
Here's another thing.

If the oil never hits 212F/100C then it is never in it's speced viscosity range.

With my new pressure sender and taking the oil cooler off I have a better handle on the oil viscosity. But the oil has only risen to 205F.

The oil seems to lose 1 lb per 1F rise at 2000 rpm in temp when in the 190F-200F range.
 

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I'd rather do it myself
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18,570 Posts
Discussion Starter #26 (Edited)
Drove yesterday for 2.5hrs at highway speeds in 90F+ temps. Oil temp never got over 219F peak. Usually in the 210-215F range. 0w40 M1 oil.

Pressure on the hot oil was 23 lbs at 715 rpm and 50 lbs at 2000 rpm/50 mph and 65 lbs at 3000 rpm/70 mph.

No oil cooler.
 

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Registered
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I got around 4,5-5 bar at 95°Cwhen driving.
And 0,6-1 bar at idle depends on oil temperature. Also no cooler
 
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