Chevy and GMC Duramax Diesel Forum - View Single Post

**Big Smith** · 06-28-2008, 01:17 PM

I am also using RBP, but I've just baught my last bottle because I've been using it for about 2 years and haven't noticed a thing that they claim. I'm going with Amsoil on my next purchase.

06-28-2008, 01:17 PM	eBay Motors #28 (permalink)
Big Smith Duramax Forum Supporter Join Date: Apr 2008 Location: Hall county, Ga. Posts: 179	I am also using RBP, but I've just baught my last bottle because I've been using it for about 2 years and haven't noticed a thing that they claim. I'm going with Amsoil on my next purchase.