Straight 50 cold start at 0F / -18C

It still some "kinematic flow" better than I thought in the plastic bottle. I've seen engines with 20W-50 start-up at -20F and it was close to the same engine cranking situation.
 
It still some "kinematic flow" better than I thought in the plastic bottle. I've seen engines with 20W-50 start-up at -20F and it was close to the same engine cranking situation.
This was a diesel engine, so unless you’ve seen similar diesel engines being started at these cold temps, it’s not the same. Diesel and gas engine crank a lot different when cold.
 
This was a diesel engine, so unless you’ve seen similar diesel engines being started at these cold temps, it’s not the same. Diesel and gas engine crank a lot different when cold.
The cranking speed and the difficultly of the engine wanting to keep running was similar with 20W-50 at -20F.
 
That oil was THICKKK. Hahaha, not really the right choice there. M1, 15W-50 is not that viscous at -10F, At least in the past it wasn't. Have not tried it in a while.
 
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