ACEA A1/A5, B1/B5; API SL/CF
I like Blackstone Labs and the people there, but maybe someone can say something about this bc they clearly havn't been as reliable as before.quote:
I hate to take on a site sponsor, but... I've personally sent Blackstone multiple samples in two separate packages over the last two weeks, and the analysis results change repeatedly. You can see my current 5W-20 roundup post in this forum for some of the details.
You and I both.quote:
I'm starting to wonder about Blackstone labs