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I had NA FBO w/ no cooler
NA FBO w/ “oem/ned” cooler
Supercharged w/ “oem/ned” cooler
Supercharged w/ “oem/ned” cooler + oil cooler
Supercharged w/ “oem/ned” cooler + oil cooler + oil cooler fans.
I chose 0w-20 for all variations.
Supercharging doesn’t change engine tolerances. Doesn’t change oil requirements.
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