Okay, so it's 1/3 Valvoline Synpower, which is billed as a synthetic, but its MSDS shows 60 to 70 percent HydroTreated Paraffin... so the Synpower is mostly petroleum based. Here's a link to the MSDS: http://msds.ashland.com/msds-ext/materialSearch.do
And it's 2/3 VR1 20W50 racing oil, which is all petroleum based. Here's a VR1 tech sheet...
http://www.valvoline.com/products/VR-1 Racing Motor Oil.pdf
And here is the report. Two quarts of VR1 20W50 and one quart of Valvoline 20W50 Synpower, with no make up oil added. Bike is a 2003 Harley Davidson Twin Cam with almost 30,000 miles on it. Carbureated, stock air filter. This oil run was for 2966 miles; nearly 3000...
Read 'em and weep syn guys...
This oil blend rules. It even held it's 50 weight viscosity, which is more than we can say for the vaunted 15W50 Mobil 1 recently tested in a Sportster...
Dan
And it's 2/3 VR1 20W50 racing oil, which is all petroleum based. Here's a VR1 tech sheet...
http://www.valvoline.com/products/VR-1 Racing Motor Oil.pdf
And here is the report. Two quarts of VR1 20W50 and one quart of Valvoline 20W50 Synpower, with no make up oil added. Bike is a 2003 Harley Davidson Twin Cam with almost 30,000 miles on it. Carbureated, stock air filter. This oil run was for 2966 miles; nearly 3000...
Read 'em and weep syn guys...
This oil blend rules. It even held it's 50 weight viscosity, which is more than we can say for the vaunted 15W50 Mobil 1 recently tested in a Sportster...
Dan