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<DIV>I torqued the Pierce head on my car's engine as per the ARP studs and in
fact didn't give a thought to a non standard torque for it being an aluminium
head.</DIV>
<DIV> </DIV>
<DIV>1.5 Rockers run with more clearance than standard rockers so they tend to
be noisy. Kent advise 16' for their 276 cam. DV suggest that 3' more
for 1.5 rockers = 19'!</DIV>
<DIV> </DIV>
<DIV>For the APT scatter pattern 286 and 1.5 rockers I'm advised (by David Anton
at APT) to use 16' on the inlets and 18' on the exhaust and I don't make any
allowance for it being an aluminium head (maybe I should?).</DIV>
<DIV> </DIV>
<DIV>It makes sense to run less clearance on the inlets and I don't understand
why anyone else doesn't recommend that.</DIV>
<DIV> </DIV>
<DIV>Regards</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>Daniel</DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>
<DIV>In a message dated 10/08/2015 11:13:58 GMT Daylight Time,
spridgets@autox.team.net writes:</DIV>
<BLOCKQUOTE
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<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy">Does this help?
Bill in <st1:State w:st="on"><st1:place
w:st="on">Oregon</st1:place></st1:State><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy"><A
title=https://www.google.com/#q=1275+aluminum+head+torque+spridget
href="https://www.google.com/#q=1275+aluminum+head+torque+spridget">https://www.google.com/#q=1275+aluminum+head+torque+spridget</A><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy">This may be a hlpe on
the Titan rocker valve lash:<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy"><A
title=https://www.google.com/#q=Titan+1.5+roller+rockers.valve+lash
href="https://www.google.com/#q=Titan+1.5+roller+rockers.valve+lash">https://www.google.com/#q=Titan+1.5+roller+rockers.valve+lash</A><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT color=navy size=2 face=Arial><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; COLOR: navy"><o:p> </o:p></SPAN></FONT></P>
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<P class=MsoNormal><B><FONT size=2 face=Tahoma><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma; FONT-WEIGHT: bold">From:</SPAN></FONT></B><FONT
size=2 face=Tahoma><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
Spridgets [mailto:spridgets-bounces@autox.team.net] <B><SPAN
style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>brian S via
Spridgets<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Sunday,
August 09, 2015 8:21 PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
spridgets list<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B>
[Spridgets] Aluminum Head torque Specs?</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT size=3 face="Times New Roman"><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT size=3 face=Calibri><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: Calibri">hey all,<BR> <BR>I was
hoping someone out there would happen to know the torque specs for and
aluminum head.<BR>It's a 1275, I believe a Pierce head. I've run it about 500
miles or so since it was installed so,<BR>I figured that I should re-torque
the head.<BR>I went through my personal archives and didn't see any mention of
it.<BR>I've sent an email to the guy that built it, but haven't had a reply in
a few days,<BR>and I know many of you are running them, so I thought I would
ask the guru's of the Spridgets list.<BR> <BR>Also,<BR>I should check the
valve lash also,<BR>any ideas of the clearance for that?<BR>It has a
<st1:country-region w:st="on"><st1:place
w:st="on">Kent</st1:place></st1:country-region> 276 cam and Titan 1.5 roller
rockers.<BR>It runs great, although the rockers do seem a bit
noisy.<BR> <BR>Thanks!<BR><BR>Brian S.<BR>Bugeyeracer finally
resto'ed!<BR>Thanks to Frank
C.!<BR> </SPAN></FONT></P></DIV></FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>