The Ford Barn - View Single Post

Vic Piano · 05-09-2010, 12:12 PM

I also use Castrol 20w50 in all of our flatheads. Some get driven at highway speeds 65,75MPH for long trips (600+ miles) and some just get driven around town. I've installed top oilers in both our '39 Ford CS and '39 LZ CP and I use MMO in them.

05-09-2010, 12:12 PM	#13
Vic Piano Senior Member Join Date: May 2010 Location: Odessa, FL Posts: 7,611	Re: oil recommendation for 40 flathead I also use Castrol 20w50 in all of our flatheads. Some get driven at highway speeds 65,75MPH for long trips (600+ miles) and some just get driven around town. I've installed top oilers in both our '39 Ford CS and '39 LZ CP and I use MMO in them. __________________ Imagination is more important than knowledge.