CHEVROLET LUMINA CYLINDER HEAD GASKET

Hello, And Thank You For Your Help In Advance. I Have A 1995 Chevy Lumina Ls 3100 Series Engine. I Recently Replaced Head Gaskets And Had...

I Changed The Head Gaskets In It. Idles And Runs Fine Until An Hour Or So Of Driving Then Acts Like It Runs Out Of Gas Restart It And It...