Quote:
Originally Posted by Everett Vassar
All of the oils discussed here obviously are the best , don't think anyone has mentioned amsoil though. So let me ask the question a different way. 1 engine 1 dyno all conditions being equal 10-30 weight. ..would any of them show a HP increase over the others?
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Short answer=YES, within any viscosity there
are oils with different additive packages that
can have an effect on the performance characteristics
of the oil.