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Head Re-Torque
Posted: Fri Apr 24, 2009 4:07 pm
by d_harris
Having recently replaced the head gasket (twice, but thats another story
) I'm wondering how long it needs to be left until re-torquing and what torque it should be set to?
Bearing in mind I have a metric wrench.....
Posted: Fri Apr 24, 2009 4:22 pm
by Matt
'bout 100 miles or 5 heat cycles!
54nm
Posted: Fri Apr 24, 2009 4:48 pm
by bmcecosse
I retorque after the engine has been started and run up to temperature. I go to 45 ft lbf for a 'normal' engine (50 for a high perf engine), no idea what a Newton is ! Something to do with apples I believe ?
Posted: Sat Apr 25, 2009 8:59 am
by mike.perry
On the s/v engine I torque it down cold, 10lbs ft at a time, torque it down hot. Take it for a run and check again as well as checking for oil and water leaks and then check again until there is no movement. A bit excessive maybe but it only takes 2 mins to run around the 13 studs