Quote:
Originally Posted by DSG2003Mach1
I wanna say they got bought out and stuff started changing, not for the better. ive had issues with some of their other products (especially the ATF). I dont see any justification for their top tier price
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I spent a few hours searching and aside from sending a sample out to Blackstone and proving it's worth myself, I'm going to have to avoid Royal Purple. Call it peer pressure, I suppose lol. I've been too chicken to switch to a yearly oil change with it (or Mobil 1), even though I'm around 5k or less miles per year in the Mach. I've been wanting to try Amsoil anyway, and I'd have to wait for Royal Purple HPS, so now is as good of a time as any.