Winnipesaukee Forum - View Single Post - Oil type viscosity / Regular or Synthetic ?

bigdog · 07-14-2021, 02:49 PM

Having an issue finding Shell Rotella 20Wx40 T4 at Walmart, they only stock 15W, would this be OK?

Is there that much difference?

07-14-2021, 02:49 PM	#17
bigdog Senior Member Join Date: Apr 2006 Location: Central MA-Gilford Posts: 1,411 Thanks: 308 Thanked 117 Times in 94 Posts	Having an issue finding Shell Rotella 20Wx40 T4 at Walmart, they only stock 15W, would this be OK? Is there that much difference?