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In a message dated 9/18/2008 11:00:20 AM Pacific Daylight Time,=20
fot-request@autox.team.net writes:
> Re: Supplimental (sic) oil feed to head
>=20
>=20
>=20
Been there, done that.
Both without restrictor, and with restrictor (3 different sizes)
Generally accepted nowadays as a waste of time and money.
Too much oil in the rocker box/valve cover is one result, oil smoke out of=20
the exhaust is another, and a drop in oil pressure, even on a known good low=
=20
mileage engine is a third.
The rocker arms were bushed with oilite phosphor-bronze bushings, at great=20
cost, but they wore out, as did the NOS original Leyland rocker shaft in un=
der=20
20k miles, even with the oil feed hose - I put it down to poor heat treatmen=
t=20
of the shaft.
I replaced the rocker arms with Harland-Sharpe Roller Rockers (of mild lift)=
=20
- this is a road car, and the shaft with a Ted Schumacher supplied tuftrided=
=20
rocker shaft.
After another 20k miles even the tuftrided shaft is just starting to wear,=20
although the roller rockers are fine, and that's without the oil hose!=20
My engine has always sent plenty of oil up to the rocker shaft, even without=
=20
the oil feed hose.=20
The oil feed hose is where it belongs - in the trash.
I have read of similar experiences from many Triumph 6 cylinder owners over=20=
a=20
long period of time. =20
L=E9on=20
YMMV.
=20
<A HREF=3D"http://community.webshots.com/user/vitesse1963";>http://community.=
webshots.com/user/vitesse1963</A> =20
=20
=20
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<HTML><FONT FACE=3Darial,helvetica><FONT SIZE=3D2 PTSIZE=3D10>In a message=20=
dated 9/18/2008 11:00:20 AM Pacific Daylight Time, fot-request@autox.team.ne=
t writes:
<BR>
<BR><BLOCKQUOTE TYPE=3DCITE style=3D"BORDER-LEFT: #0000ff 2px solid; MARGIN-=
LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Re: Supplimental (sic) oil=20=
feed to head
<BR>
<BR>
<BR></FONT><FONT COLOR=3D"#000000" BACK=3D"#ffffff" style=3D"BACKGROUND-COL=
OR: #ffffff" SIZE=3D3 PTSIZE=3D10 FAMILY=3D"SANSSERIF" FACE=3D"Arial" LANG=
=3D"0"></BLOCKQUOTE>
<BR></FONT><FONT COLOR=3D"#000000" BACK=3D"#ffffff" style=3D"BACKGROUND-COL=
OR: #ffffff" SIZE=3D2 PTSIZE=3D10 FAMILY=3D"SANSSERIF" FACE=3D"Arial" LANG=
=3D"0">
<BR>Been there, done that.</FONT><FONT COLOR=3D"#000000" BACK=3D"#ffffff" s=
tyle=3D"BACKGROUND-COLOR: #ffffff" SIZE=3D3 PTSIZE=3D10 FAMILY=3D"SANSSERIF"=
FACE=3D"Arial" LANG=3D"0">
<BR>
<BR>Both without restrictor, and with restrictor (3 different sizes)
<BR>
<BR>Generally accepted nowadays as a waste of time and money.
<BR>
<BR>Too much oil in the rocker box/valve cover is one result, oil smoke out=20=
of the exhaust is another, and a drop in oil pressure, even on a known good=20=
low mileage engine is a third.
<BR>
<BR>The rocker arms were bushed with oilite phosphor-bronze bushings, at gre=
at cost, but they wore out, as did the NOS original Leyland rocker shaft &nb=
sp;in under 20k miles, even with the oil feed hose - I put it down to poor h=
eat treatment of the shaft.
<BR>
<BR>I replaced the rocker arms with Harland-Sharpe Roller Rockers (of mild l=
ift) - this is a road car, and the shaft with a Ted Schumacher supplied tuft=
rided rocker shaft.
<BR>
<BR>After another 20k miles even the tuftrided shaft is just starting to wea=
r, although the roller rockers are fine, and that's without the oil hose!=20
<BR>
<BR>My engine has always sent plenty of oil up to the rocker shaft, even wit=
hout the oil feed hose.=20
<BR>
<BR>The oil feed hose is where it belongs - in the trash.
<BR>
<BR>I have read of similar experiences from many Triumph 6 cylinder owners o=
ver a long period of time.
<BR>
<BR>L=E9on=20
<BR>
<BR>YMMV.
<BR>=20
<BR><A HREF=3D"http://community.webshots.com/user/vitesse1963";>http://commun=
ity.webshots.com/user/vitesse1963</A> =20
<BR> =20
<BR> =20
<BR></FONT> </HTML>
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