The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What oil viscosity in fresh SBC in cold weather?

**Captainfab** · 11-10-2017, 12:13 AM

I would go with 10W30 as well and see how it does. If the pressure is too high when cold, consider going with 5W30.

11-10-2017, 12:13 AM	#6
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,246	Re: What oil viscosity in fresh SBC in cold weather? I would go with 10W30 as well and see how it does. If the pressure is too high when cold, consider going with 5W30. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE