oil for shovelhead engine? Redline 20w-60 or 60w harley oil?
can i run Redline 20w-60 in my shovel, i now run straight 60w harley oil. at night in the mountains sometimes drops in the 40,s during the day can be over 100 degrees. referring to montana and wyoming area in the summer.
can i run Redline 20w-60 in my shovel, i now run straight 60w harley oil. at night in the mountains sometimes drops in the 40,s during the day can be over 100 degrees. referring to montana and wyoming area in the summer.
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