--===============8528159154286088584==
boundary="Apple-Mail=_B7567FE5-A58B-44D1-BA09-2190132DAB3A"
--Apple-Mail=_B7567FE5-A58B-44D1-BA09-2190132DAB3A
Content-Transfer-Encoding: quoted-printable
charset=utf-8
interesting. A google search indicates this is available in Europe, but =
not sold directly in the US. As such, it=E2=80=99s pretty expensive =
here.
Scott
On Mar 4, 2020, at 5:59 AM, Enquiries Road & Track via Fot =
<fot@autox.team.net> wrote:
like most racers, ive had my fair share of leaking triumph heads and =
have tried copper rings, fancy gaskets, plain gaskets, magic goo etc =
etc., with none of them totally fixing it=20
unless the crankcase breather blocked, they never really leaked badly =
there when new (some weeped), so its mostly a result of all the stuff =
we do to them to make them go faster. certainly. facing 2-3mm off the =
head does not help, as the edge gets very thin and the clamp force over =
by the pushrods is not great on any of them, so its no wonder they leak =
at worst and weep at best . Ive concluded crankcase pressure build up =
is a big issue to be solved as others have discussed
long ago, i changed to using multiple vents/breathers but the biggest =
improvement was using WURT 250 sealant on every joint , and my last =
race 2.5 is totally leak free, ie zero, not even a stain. BUT, no paper =
gaskets!!
my "secret' is to follow WURT instructions and lay a tiny round bead on =
the block edge near the pushrods and let it 'skin'...about 10-15 minutes =
before fitting the head (just enough time for a cuppa). Do not finger it =
and try to smooth it out. By all means , fit the head with whatever =
"quality" gasket that your heart desires. For what its worth , i use a =
copper gasket and just re-anneal it every time. ive never found any =
spray or brush on sealant really works (or is needed) on a conventional =
head gasket, but some copper ones may benefit
we used this WURT 250 sealant in our engine shop for years and all-but =
eliminated warranty claims for leaking gaskets. A version called WURT =
250 RED is great on triumph gearboxes, and overdrives, again, zero leaks =
if applied correctly. For the very best result, every surface must be =
washed with thinners or acetone, and not touched by hands etc =
thereafter. it has a limited shelf life of about a few weeks once opened =
, but we used tubes of it every week, so that was not an issue.
i hope this might assist someone
Terry
(down under, but not quite as far "down" as geoff Byrne)=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
http://autox.team.net/mailman/options/fot/sjanzen@me.com
--Apple-Mail=_B7567FE5-A58B-44D1-BA09-2190132DAB3A
Content-Transfer-Encoding: quoted-printable
charset=utf-8
<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">interesting. A google search indicates this is available in =
Europe, but not sold directly in the US. As such, it=E2=80=99s =
pretty expensive here.<div class=3D""><br class=3D""></div><div =
class=3D"">Scott<br class=3D""><div><br class=3D""><div class=3D"">On =
Mar 4, 2020, at 5:59 AM, Enquiries Road & Track via Fot <<a =
href=3D"mailto:fot@autox.team.net"; class=3D"">fot@autox.team.net</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
dir=3D"ltr" class=3D""><div dir=3D"ltr" class=3D"">like most racers, ive =
had my fair share of leaking triumph heads and have tried copper rings, =
fancy gaskets, plain gaskets, magic goo etc etc., with none =
of them totally fixing it <div class=3D""><br =
class=3D""></div><div class=3D"">
unless the crankcase breather blocked, =20
they never really leaked badly there when new (some weeped), so =
its mostly a result of all the stuff we do to them to make them go =
faster. certainly. facing 2-3mm off the head does not help, as the =
edge gets very thin and=20
the clamp force over by the pushrods is not great on any of them, so its =
no wonder they leak at worst and weep at best
. Ive concluded crankcase pressure build up is a big issue to be solved =
as others have discussed<br class=3D""><div class=3D""><br =
class=3D""></div><div class=3D""></div><div class=3D"">long ago, i =
changed to using multiple vents/breathers but the biggest =
improvement was using WURT 250 sealant on every joint , and =
my last race 2.5 is totally leak free, ie zero, not even a stain. BUT, =
no paper gaskets!!<br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D"">my "secret' is to follow WURT =
instructions and lay a tiny round bead on the block edge near the =
pushrods and let it 'skin'...about 10-15 minutes before fitting the head =
(just enough time for a cuppa). Do not finger it and try to smooth it =
out. By all means , fit the head with whatever "quality" gasket =
that your heart desires. For what its worth , i use a copper gasket and =
just re-anneal it every time. ive never found any spray or brush on =
sealant really works (or is needed) on a conventional head gasket, =
but some copper ones may benefit</div><div class=3D""><br =
class=3D""></div><div class=3D"">we used this WURT 250 sealant in our =
engine shop for years and all-but eliminated warranty claims for leaking =
gaskets. A version called WURT 250 RED is great on triumph gearboxes, =
and overdrives, again, zero leaks if applied correctly. For the very =
best result, every surface must be washed with thinners or acetone, and =
not touched by hands etc thereafter. it has a limited shelf life =
of about a few weeks once opened , but we used tubes of it every week, =
so that was not an issue.</div><div class=3D""><br class=3D""></div><div =
class=3D"">i hope this might assist someone</div><div class=3D""><br =
class=3D""></div><div class=3D"">Terry</div><div class=3D"">(down under, =
but not quite as far "down" as geoff Byrne) </div><div class=3D""><br=
class=3D""></div></div></div><div class=3D"gmail_quote"><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex"><br class=3D"">
</blockquote></div></div>
_______________________________________________<br class=3D""><a =
href=3D"mailto:fot@autox.team.net"; class=3D"">fot@autox.team.net</a><br =
class=3D""><br class=3D"">http://www.fot-racing.com<br class=3D""><br =
class=3D"">Donate: http://www.team.net/donate.html<br class=3D"">Archive: =
http://autox.team.net/archive http://www.team.net/pipermail/fot<br =
class=3D"">Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/sjanzen@me.com<br class=3D""><br=
class=3D""><br class=3D""></div></div><br class=3D""></div></body></html>=
--Apple-Mail=_B7567FE5-A58B-44D1-BA09-2190132DAB3A--
--===============8528159154286088584==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
--===============8528159154286088584==--
|