Recent content by Dewy

Just for info the 15w50 has a Viscosity, Kinematic, cSt at 40°C of 114, where as the SAE30 has Viscosity, Kinematic, cSt at 40°C of 90; so the 15w50 will be thicker throughout the temp range... Its this start up thickness i was worried about. Once the air-cooled engine is up to temp the...

Thanks for the advice... I think I’ll run the 15w50 just to see if the oil has less contamination than the straight 30... Always run the pump at 3000rpm so will be interesting if needs more throttle for the same load.

Which oil Penrite SAE 30 or Penrite 15w50 for Honda GX390 in ? Penrite SAE30 Penrite 15W50 I have been using Penrite SAE30 (mineral) in all of my stationary motors, but on the last oil change of the water pump (Honda GX390) i noted some flecks of brass/copper. Looking at Honda's manual there...