The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What oil are you using in an older flat tappet motor?

Loco83 · 01-05-2022, 07:35 PM

Been running Pennzoil 10w30 since forever and Fram/STP filters,no need for boutique high price oils, just change your oil regularly. 5K for me.

01-05-2022, 07:35 PM	#16
Loco83 Registered User Join Date: Nov 2018 Location: Cali Posts: 337	Re: What oil are you using in an older flat tappet motor? Been running Pennzoil 10w30 since forever and Fram/STP filters,no need for boutique high price oils, just change your oil regularly. 5K for me.