|
Re: Question about oil viscosity
Quote:
Originally Posted by WorkinLonghorn
A very good read. Thanks Steve. It seems like I did make a mistake but this article is clearly about race engines and hot-rods which this truck is no where close. But now I'm thinking. Maybe just use some regular 20/40 or 30wt. But drain out the brand new oil? Probably not. As mentioned, 3.90" Intake valve lift and 4.10" exhaust at 2-2,500 RPM, open valve spring pressure was ~200 Lbs stock. -BA
|
Given how you are driving it, I doubt that that oil is going to hurt it.
__________________
~Steven
'70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper
Simi Valley, CA
|