Performance Probe-The Ford Probe Forums

Posted: **Mon May 14, 2018 6:40 pm**

What oil are you using?

I use castol 10w40 half syn, been using the same oil forever.

Posted: **Thu May 17, 2018 9:09 am**

Pends on time of year, hot months I'm with ya on the 10w40, back down to 10w30 as winters can be cold here. Straight up conventional Valvoline.

Oil