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>
> There's many methods/opinions on how to check torque after heat cycling
> the engine. Some head fasteners are one time torque and stretch the
> fastener during installation. Other's like our head hardware can be reused
> multiple times.
>
> For what it's worth, I don't back off the nuts for the sole reason of
> fear of breaking the head gasket seal. It's a fear - not sure its
> validated. I give a pull on each of the nuts with the torque wrench at the
> specified torque. - Last engine rebuild, I got some movement on most of
> the nuts. My 2 cents.
>
> Update - , my reused Payen head gasket on my TR4 is going on 4 years with
> no problems. I did coat both sides with copper spray before installation -
> your results may vary. Speaking of which... I should order a spare
> headgasket :)
>
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<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex"><div dir=3D"ltr">There's many methods/opinio=
ns on how to check torque after heat cycling the engine.=C2=A0 Some head fa=
steners are one time torque and stretch the fastener during installation. O=
ther's like our head hardware can be reused multiple times.<div><br></d=
iv><div>For what it's worth, =C2=A0I don't back off the nuts for th=
e sole reason of fear of breaking the head gasket seal. It's a fear - n=
ot sure its validated.=C2=A0 I give a pull on each of the nuts with the tor=
que wrench at the specified torque. =C2=A0- Last engine rebuild, I got some=
movement on most of the nuts.=C2=A0 My 2 cents.</div><div><br></div><div>U=
pdate - , my reused Payen head gasket on my TR4 is going on 4 years with no=
problems.=C2=A0 I did coat both sides with copper spray before installatio=
n - your results may vary. Speaking of which... I should order a spare head=
gasket :)</div></div>
</blockquote></div><br></div></div>
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