i just had to replace my valve cover gasket 97 ford contour gl 79,895 all power 4 cyc since i had the cover off i replace my spark plugs i took out autolite plugs autozone didn't have autolite plugs they had champion double plat plugs are they good to use or do i need to still put autolite plugs in or are there any difference. i change valve cover gasket seen a small leak in front i also been having that pinging feeling so i felt as though it would help a little better .but i still get the engine tremble thanks for any helpful info
