The local British mechanic who our Triumph Club members use, told me to
re-torque it cold.
I backed off each?nut 1/4 turn in order, then re-torqued. ?Most went right back
to the same spot, but I think 3 of them went about 3/4s of a turn, so they
needed it.
Rye
PH: 530-FIND-RYE
On Jul 31, 2018, at 11:21 PM, Tony Drews <tony at tonydrews.com> wrote:
The question was RE-torque.? Obviously you put the engine together including
properly torquing the head while it's cold.? With an iron head and composite
gasket you run the engine for a bit (I use the cam break-in 20 minutes for
that), and when it's good and warm you torque the head a 2nd time.? With an
aluminum head you're supposed to let it cool before torquing a 2nd time.
Tony
On 7/31/2018 7:53 PM, David P wrote:
this makes no sense. To get it hot it has to run, but one wouldn't run it
without it being torqued down especially with wet liners. So cold torque the
head and use new studs and nuts too. daveP
On 7/31/2018 12:26 PM, Tony Drews wrote:
Retorque hot.
A rule I thumb I was recently told: Iron head = retorque hot, Aluminum head =
retorque cold.
Cheers, Tony Drews
On 7/31/2018 10:51 AM, asg123 at centurylink.net wrote:
Recently replace the exhaust valves on my car.? New German made head gasket.
Running well, very pleased.? Wonder what the consensus is it better?
to re torque when engine is cool or hot?? As always thanks to all for the help
I have received keeping this car going over the years.? Arnold S Gilmour
?
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