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I thought that the key benefit of the tubular pushrods was to reduce
reciprocating weight, pushing the valve float rpm a little(!) further up
the tach.
David L
On Sun, Nov 29, 2015 at 1:20 PM, WeslakeMonza1330--- via Spridgets <
spridgets@autox.team.net> wrote:
> I switched to the APT push rods which I'm guessing are hollow (they are
> thicker). I haven't bent one yet. I have bent the standard ones but that
> engine did see more regular high rpm than this engine (car had a 4 speed
> box in so anything over 100mph need high rpm).
>
> In a message dated 28/11/2015 20:32:53 GMT Standard Time,
> spridgets@autox.team.net writes:
>
> Good call on the stock pushrods, Mike. Even with clearance-ing of holes,
> there is no real reason to use tubular pushrods. I've had them bend just as
> readily as stock ones. I've had the same stock pushrods in my now 10+ year
> old race engine for seven years without any issues. The benefits of good
> oiling outweigh any marginal benefits the tubular ones offer. I assure you
> I am beating my motor harder than just about anyone on the list. Redline
> oil and proper clearances are key to extended life at 8000 RPM
>
> Ron Soave
>
>
> ------------------------
>
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">I thought that the key benefit of the tubular pushrods was=
to reduce reciprocating weight, pushing the valve float rpm a little(!) fu=
rther up the tach.<div>David L</div></div><div class=3D"gmail_extra"><br><d=
iv class=3D"gmail_quote">On Sun, Nov 29, 2015 at 1:20 PM, WeslakeMonza1330-=
-- via Spridgets <span dir=3D"ltr"><<a href=3D"mailto:spridgets@autox.te=
am.net" target=3D"_blank">spridgets@autox.team.net</a>></span> wrote:<br=
><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex"><u></u>
<div style=3D"FONT-SIZE:10pt;FONT-FAMILY:Arial;COLOR:#000000"><font color=
=3D"#000000" size=3D"2" face=3D"Arial">
<div>I switched to the APT push rods which I'm guessing are hollow (the=
y are=20
thicker).=C2=A0 I haven't bent one yet.=C2=A0 I have bent the standard =
ones but=20
that engine did see more regular high rpm than this engine (car had a 4 spe=
ed=20
box in so anything over 100mph need high rpm).</div><span class=3D"">
<div>=C2=A0</div>
<div>
<div>In a message dated 28/11/2015 20:32:53 GMT Standard Time,=20
<a href=3D"mailto:spridgets@autox.team.net"; target=3D"_blank">spridgets@aut=
ox.team.net</a> writes:</div>
<blockquote style=3D"PADDING-LEFT:5px;MARGIN-LEFT:5px;BORDER-LEFT:blue 2px =
solid"><font style=3D"BACKGROUND-COLOR:transparent" color=3D"#000000" size=
=3D"2" face=3D"Arial">Good=20
call on the stock pushrods, Mike. Even with clearance-ing =C2=A0of holes,=
=20
there is no real reason to use tubular pushrods. I've had them bend j=
ust as=20
readily as stock ones. I've had the same stock pushrods in my now 10+=
year old=20
race engine for seven years without any issues. The benefits of good oili=
ng=20
outweigh any marginal benefits the tubular ones offer. I assure you I am=
=20
beating my motor harder than just about anyone on the list. Redline oil a=
nd=20
proper clearances are key to extended life at 8000 RPM<br><br>Ron=20
Soave</font></blockquote></div></span></font></div><br>--------------------=
----<br>
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<br></blockquote></div><br></div>
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