Type of oil in 427 S/O

[Bernica]

Originally Posted by JBCOBRA

Have any of you guys tried the Joe Gibbs Hot Rod HR1 oil???
Since I am running in a fresh engine with their break in oil, I figured I would try it after 500 miles of their BR1 oil.

I am running Joe Gibbs synthetic XP3. Pricey, plenty of ZDDP. So far, no issues. Pressure seemed more stable and seemed to run a little cooler, but maybe that's just me...

[Silversmith]

I go with what Lee Holman suggested for my FE; 40W! I use Brad Penn.

[mike harter]

Joe Gibbs 10/30 synthetic hotrod oil for average climate is the best.

[FWB]

Brad Penn only

[danc30]

Keith Craft said to use regular 10w-40. That's what I use. Castrol 10w-40.

I go by what the engine builder suggests......

[Stentor]

Originally Posted by danc30

Keith Craft said to use regular 10w-40. That's what I use. Castrol 10w-40.

I go by what the engine builder suggests......

Craft has changed his tune on this. He now recommends Joe Gibbs.

Originally Posted by Keithc8

We have used about every oil possible. We will only warranty our engines if Joe Gibbs is used. If you look at the facts it has more ppm zinc and less ppm detergent than most any other oil. Try to stay away from most all oil that you can buy through a regular parts store. Those oils have to meet the lasted epa standards which have taken most all zinc out and added lots of detergents. As you well know zinc is what bonds the oil to the metal and the high ppm detergents wash the zinc away. This works great for late model stock engines with overhead cams and low spring pressure. Bottom line, make sure there is plenty zinc in the oil to save problems in the future.

[krkucin]

Originally Posted by Stentor

Craft has changed his tune on this. He now recommends Joe Gibbs.

Regular? Or synthetic?