Originally Posted by ripemeat
do not over torque the valve cover bolts, they are only 10mm's and torque rating is something around 10ft lbs. the bolts will easily break and stretch if over tightened.
GREAT tip right there, snug them up. if they leak you can snug them a little more.
Learned that the hard way on a Honda.
174,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.