I want to replace the rocker arm that might be bad, but I don’t know which one it is when the motor is running. It is a 1979 Pontiac Trans Am with a 403. Any help would be much appreciated. Thanks Posted by Gabe C  Read More Ø

Are they using the roller rocker arms ? I remember reading an article about Toyota going to a solid rocker arm (not lifter) like the ones used in the 1970ish model Chevy engines. Has anyone ever hear that? Does Toyota (or have they ever) use(d) the older... Read More

I have a ‘95 Jeep Cherokee Sport with the in-line 6 cyl. I recently noticed that the rocker arm cover gasket was leaking and it looked like it had pushed out the corner of the gasket. I replaced the rocker arm cover gasket and it’s not leaking... Read More

i have a 1987 stock gmc truck and i took off the valve cover and i saw i had a bent push rod so i put a new one in when i put it back on and tighted the rocker arm i truned the eng over 2 oe 3 times to see if it is working and nothing and then when i... Read More