Originally Posted By mopowers
For those of you who use VR1, are you using the synthetic, or conventional?




I use the conventional VR1 oil and add a small bottle of Risoline additive. The cam grinder told me to add the small bottle of the zinc additive at oil changes and I have been doing it since 2011. I have been using Valvoline since the 70's. Ron

Last edited by 383man; 06/09/17 12:34 PM.