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Re: [TR] TR4 road draft tube plug

To: Brad Kahler <bkahler1@gmail.com>
Subject: Re: [TR] TR4 road draft tube plug
From: Geo Hahn <ahwahneetr@gmail.com>
Date: Mon, 7 Sep 2015 11:52:51 -0700
Cc: Triumphs <Triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <CADm3DLESv8F08Xm_4qZg3z0Uo4z=GG8YgM+9HajfmGhBFPxMvA@mail.gmail.com> <CANzE1bE5343vOuzMLVusH6Dvh7nzVtGRyFJ37ymLpNON7XJh4A@mail.gmail.com> <CADm3DLFu6-D8HDT7Z6vf-GnTaAeJq=E7zgHTEbLQw0Dd7z+GSw@mail.gmail.com> <CANzE1bFHe4P0XBC_PN_E9ZgQ52b5YtySzCXwRnLAGeOQttzRZw@mail.gmail.com> <CADm3DLG=bukk69n6S+0uuJriT9akxZB4Ujaj448wxVE--3kUnw@mail.gmail.com> <002101d0e975$38573870$a905a950$@rr.com> <CADm3DLH8Hk61W5EF9ggu0WtbfbVw8GpSr4B7Hiq5YMAjsjd7Vg@mail.gmail.com>
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On Mon, Sep 7, 2015 at 10:08 AM, Brad Kahler <bkahler1@gmail.com> wrote:

...Also, is your valve cover cap vented (i.e. TR4A style) or non-vented?
>


Those terms (or something) confuse me.

My late TR4 does not have a vented cap - it seals tight.  I presume that
TR4As are similar.  Early TR4s and all TR3s had a cap that vents to the
atmosphere.

If you are fighting blow-by (and I think you are) it would seem that a
vented cap might help -- and since your engine apparently has a road draft
tube fitted as original then I believe a vented cap would have also been on
it.

Geo

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<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On M=
on, Sep 7, 2015 at 10:08 AM, Brad Kahler <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:bkahler1@gmail.com" target=3D"_blank">bkahler1@gmail.com</a>&gt;</spa=
n> wrote:</div><div class=3D"gmail_quote"><br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-c=
olor:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div d=
ir=3D"ltr"><div>...Also, is your valve cover cap vented (i.e. TR4A style) o=
r non-vented?<br></div></div></blockquote><div>=C2=A0</div><div><br></div><=
div>Those terms (or something) confuse me.</div><div><br></div><div>My=C2=
=A0late TR4=C2=A0does not have a vented cap - it seals tight.=C2=A0 I presu=
me that TR4As are similar.=C2=A0 Early TR4s and all TR3s=C2=A0had a cap tha=
t vents to the atmosphere.</div><div><br></div><div>If you are fighting blo=
w-by (and I think you are) it would seem that a vented cap might help -- an=
d since your engine apparently has a road draft tube fitted as original the=
n I believe a vented cap would have also been on it.</div><div><br></div><d=
iv>Geo</div></div></div>

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