Recent content by SynLube

YES there is a "BAD" oil - anything in BULK with no labeling is a big suspect.... Any petroleum oil will inevitably damage any engine, the only thing that prolongs that effect are the expensive ADDITIVES that are put into cheap petroleum base oil! Not convinced ? Just run your vehicle on plain...

Read this to understand why SAE 5W-20 is used But to sum it up, it saves $15.50 on average in CAFE fines to the OEM, and typically reduces engine life by 30% while giving on average 0.3 MPG better mileage. So compare cost of engine overhaul vesus 0.3 MPG fuel savings to find out if you are...

Viscosity Index is non engineering number based on over 100 year old way of distinguishing between petroleum crude that has poor performance with respect to flow at different temperatures. ZERO was given to California Naphthenic Crude, while at that time the best Pennsylvanian crude was 100...