[TR] Re torque TR4A head, hot or cold ?

Andrew Uprichard auprichard at uprichard.net
Tue Jul 31 15:05:26 MDT 2018

I believe they should be torqued cold.  


Out of interest, what specs did you use for the valve clearances?  I have heard 10 thou all around, but on a standard 4-cylinder engine I have always set the intakes at 10 and the exhausts at 12.  Just wondering…


Andrew Uprichard

Jackson, Michigan


From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of asg123 at centurylink.net
Sent: Tuesday, July 31, 2018 11:52 AM
To: triumphs at autox.team.net
Subject: [TR] Re torque TR4A head, hot or cold ?


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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