R roadrunner1 Joined Apr 8, 2009 Messages 1,332 Location oh Aug 8, 2010 #21 the additive package in coolgard is much more stout than regular GO-5, there is no way that motorcraft gold or any other GO-5 could be put into service for 5000hrs., which coolgard was rated for.
the additive package in coolgard is much more stout than regular GO-5, there is no way that motorcraft gold or any other GO-5 could be put into service for 5000hrs., which coolgard was rated for.