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The 3.9 vs 4.0 is a head-fake on Rover=E2=80=99s part. Bore and stroke =
is identical but there are a few other differences that matter. Info on =
the differences here:
http://www.gomog.com/allmorgan/40difference.htm
The consistency of the design allowed me to use SD1 heads from a TR8 on =
a 4.0 block with cross-bolted mains, and use the front cover from the =
TR8 so I could use a distributor.
Duncan Charlton
Elgin, Texas USA
> On Oct 20, 2016, at 1:24 PM, Robert Deanes <rfdeanes@gmail.com> wrote:
>=20
> I believe that the sanctioning bodys (SCCA,etc.) limit the engine to =
the 3.9 in the rule book.Other clubs may let you do more, but the guys I =
know that race them ( besides the Canadian) run the max of 3.9.
>=20
> On Thu, Oct 20, 2016 at 1:16 PM, Duncan Charlton =
wrote:
> Joe,
>=20
> I suspect so. Sources I=E2=80=99ve looked at for Morgan spare parts =
only list one part number even though the Plus 8 was sold for 35 years =
with 3.5, 3.9, 4.0 and 4.6 liter engines. Rimmer Bros. in the UK sells =
over a dozen types of valve covers but only one size gasket. Summit =
sells the same gasket for the Buick 300 and 340 as well. I suspect you =
already know that the Oldsmobile version of the alloy block 3.5 had =
valve covers and heads that were quite different, so I=E2=80=99m pretty =
sure those gaskets would be different.
>=20
> Duncan Charlton
> Elgin, Texas USA
>=20
>=20
>=20
> > On Oct 19, 2016, at 4:40 PM, Joe Alexander =
wrote:
> >
> > Chris, Paul, Ted, Jack,
> >
> > Starting with the 3.5 liter engine, do the larger disp. Rover =
Engines have the same Valve Cover?
> >
> > Sean now has a mold for the 3.5 liter valve cover gasket in =
silicone.
> >
> >
> > <image1.JPG>
> > Joe Alexander
> > 645 1st Street
> > Jesup, IA 50648
> > The-vintage-racer.com
> > Gasketinnovations.com
> > Cell: 319.464.4711 =
<tel:319.464.4711>_______________________________________________
> >
> > http://www.fot-racing.com <http://www.fot-racing.com/>
> >
> > Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> > Archive: http://www.team.net/archive <http://www.team.net/archive>
> > Forums: http://www.team.net/forums <http://www.team.net/forums>
> > Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/duncan.charlton54@gmail.com =
<http://autox.team.net/mailman/options/fot/duncan.charlton54@gmail.com>
> >
> >
>=20
> _______________________________________________
>=20
> http://www.fot-racing.com <http://www.fot-racing.com/>
>=20
> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> Archive: http://www.team.net/archive <http://www.team.net/archive>
> Forums: http://www.team.net/forums <http://www.team.net/forums>
> Unsubscribe/Manage: =
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<http://autox.team.net/mailman/options/fot/rfdeanes@gmail.com>
>=20
>=20
>=20
>=20
>=20
> --=20
> rob deanes
> TR Racer
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<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; -webkit-line-break: after-white-space;" =
class=3D"">The 3.9 vs 4.0 is a head-fake on Rover=E2=80=99s part. =
Bore and stroke is identical but there are a few other differences =
that matter. Info on the differences here:<div class=3D""><a =
href=3D"http://www.gomog.com/allmorgan/40difference.htm"; =
class=3D"">http://www.gomog.com/allmorgan/40difference.htm</a></div><div =
class=3D""><br class=3D""></div><div class=3D"">The consistency of the =
design allowed me to use SD1 heads from a TR8 on a 4.0 block with =
cross-bolted mains, and use the front cover from the TR8 so I could use =
a distributor.</div><div class=3D""><br class=3D""><div class=3D"">
<div class=3D"">Duncan Charlton</div><div class=3D"">Elgin, Texas =
USA</div><div class=3D""><br class=3D""></div><br =
class=3D"Apple-interchange-newline">
</div>
<br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Oct 20, 2016, at 1:24 PM, Robert Deanes <<a =
href=3D"mailto:rfdeanes@gmail.com"; class=3D"">rfdeanes@gmail.com</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
dir=3D"ltr" class=3D"">I believe that the sanctioning bodys (SCCA,etc.) =
limit the engine to the 3.9 in the rule book.Other clubs may let you do =
more, but the guys I know that race them ( besides the Canadian) run the =
max of 3.9.</div><div class=3D"gmail_extra"><br class=3D""><div =
class=3D"gmail_quote">On Thu, Oct 20, 2016 at 1:16 PM, Duncan Charlton =
<span dir=3D"ltr" class=3D""><<a =
href=3D"mailto:duncan.charlton54@gmail.com"; target=3D"_blank" =
class=3D"">duncan.charlton54@gmail.com</a>></span> wrote:<br =
class=3D""><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">Joe,<br class=3D"">
<br class=3D"">
I suspect so. Sources I=E2=80=99ve looked at for Morgan spare =
parts only list one part number even though the Plus 8 was sold for 35 =
years with 3.5, 3.9, 4.0 and 4.6 liter engines. Rimmer Bros. in =
the UK sells over a dozen types of valve covers but only one size =
gasket. Summit sells the same gasket for the Buick 300 and 340 as =
well. I suspect you already know that the Oldsmobile version of =
the alloy block 3.5 had valve covers and heads that were quite =
different, so I=E2=80=99m pretty sure those gaskets would be =
different.<br class=3D"">
<br class=3D"">
Duncan Charlton<br class=3D"">
Elgin, Texas USA<br class=3D"">
<div class=3D""><div class=3D"h5"><br class=3D"">
<br class=3D"">
<br class=3D"">
> On Oct 19, 2016, at 4:40 PM, Joe Alexander <<a =
href=3D"mailto:joealexandervintage@gmail.com"; =
class=3D"">joealexandervintage@gmail.com</a><wbr class=3D"">> =
wrote:<br class=3D"">
><br class=3D"">
> Chris, Paul, Ted, Jack,<br class=3D"">
><br class=3D"">
> Starting with the 3.5 liter engine, do the larger disp. Rover =
Engines have the same Valve Cover?<br class=3D"">
><br class=3D"">
> Sean now has a mold for the 3.5 liter valve cover gasket in =
silicone.<br class=3D"">
><br class=3D"">
><br class=3D"">
</div></div>> <image1.JPG><br class=3D"">
> Joe Alexander<br class=3D"">
> 645 1st Street<br class=3D"">
> Jesup, IA 50648<br class=3D"">
> <a href=3D"http://the-vintage-racer.com"; =
class=3D"">The-vintage-racer.com</a><br class=3D"">
> <a href=3D"http://gasketinnovations.com"; =
class=3D"">Gasketinnovations.com</a><br class=3D"">
> Cell: <a href=3D"tel:319.464.4711" value=3D"+13194644711" =
class=3D"">319.464.4711</a>______________________________<wbr =
class=3D"">_________________<br class=3D"">
> <a href=3D"mailto:fot@autox.team.net"; =
class=3D"">fot@autox.team.net</a><br class=3D"">
><br class=3D"">
> <a href=3D"http://www.fot-racing.com/"; rel=3D"noreferrer" =
target=3D"_blank" class=3D"">http://www.fot-racing.com</a><br class=3D"">
><br class=3D"">
> Donate: <a href=3D"http://www.team.net/donate.html"; =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">http://www.team.net/donate.<wbr class=3D"">html</a><br =
class=3D"">
> Archive: <a href=3D"http://www.team.net/archive"; rel=3D"noreferrer" =
target=3D"_blank" class=3D"">http://www.team.net/archive</a><br =
class=3D"">
> Forums: <a href=3D"http://www.team.net/forums"; rel=3D"noreferrer" =
target=3D"_blank" class=3D"">http://www.team.net/forums</a><br class=3D"">=
> Unsubscribe/Manage: <a =
href=3D"http://autox.team.net/mailman/options/fot/duncan.charlton54@gmail.=
com" rel=3D"noreferrer" target=3D"_blank" =
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><br class=3D"">
><br class=3D"">
<br class=3D"">
______________________________<wbr class=3D"">_________________<br =
class=3D"">
<a href=3D"mailto:fot@autox.team.net"; class=3D"">fot@autox.team.net</a><br=
class=3D"">
<br class=3D"">
<a href=3D"http://www.fot-racing.com/"; rel=3D"noreferrer" =
target=3D"_blank" class=3D"">http://www.fot-racing.com</a><br class=3D"">
<br class=3D"">
target=3D"_blank" class=3D"">http://www.team.net/donate.<wbr =
class=3D"">html</a><br class=3D"">
Archive: <a href=3D"http://www.team.net/archive"; rel=3D"noreferrer" =
target=3D"_blank" class=3D"">http://www.team.net/archive</a><br =
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Forums: <a href=3D"http://www.team.net/forums"; rel=3D"noreferrer" =
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<br class=3D"">
</blockquote></div><br class=3D""><br clear=3D"all" class=3D""><div =
class=3D""><br class=3D""></div>-- <br class=3D""><div =
class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div =
class=3D"">rob deanes</div>
<div class=3D"">TR Racer</div></div>
</div>
</div></blockquote></div><br class=3D""></div></body></html>=
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