Recent content by redgoat

Thanks for your recommendation. I visited the AMSOIL site and read the info on their oil designed for classic cars. I have always used mineral oil for 46 years and never tried a synthetic. Their Z Rod 10w30 is formulated for cars like mine w/o a catalytic converter. Having said that, AMSOIL must...

With the reduction of zddp in motor oils, what brand of 10w30 should I use in my never rebuilt 400 cu. in 2bbl Pontiac engine? I have 125,000 miles and have never had a single issue with my engine since I bought it brand new 46 years ago. It does leak oil in a couple of locations (like the rear...