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Geo, I'm wondering if your definition of "easier" is the same as mine! :)
It's my understanding that the early TR4s were identical to the TR3, i.e.
push-on valve cover breather and road draft tube. The mid to late TR4s had
the air filters with the tube in the center with a flame trap coming from
the valve cover, no road draft tube and and the valve cover cap was a
sealed type.
The TR4As had a vented cap, gulp valve and no road draft tube.
I'm going to do some testing by installing the vented valve cover cap,
installing the gulp valve and I've temporary capped the end of the road
draft tube. It will be a few days before I can test this setup as I'm
still waiting for the replacement gulp valve diaphragm to arrive.
Brad
On Sun, Sep 6, 2015 at 12:30 AM, Geo Hahn <ahwahneetr@gmail.com> wrote:
> I have done the opposite, removing the plug and installing a road draft
> tube on my late TR4.
>
> If anything what you have in mind should be even easier, but...
>
> I installed the tube because the small opening on the TR4 valve cover
> could simply not relieve enough crankcase pressure - oil was oozing from
> every pore. Perhaps the TR4A system is more effective though.
>
> Geo
>
> On Sat, Sep 5, 2015 at 4:32 PM, Brad Kahler <bkahler1@gmail.com> wrote:
>
>> I'm contemplating removing the road draft tube on my TR4 and am wondering
>> if anyone has successfully removed the tube and installed the plug with the
>> engine still in the car.
>>
>> It kinda looks like it would be a job for a contortionist!
>>
>> Thanks!
>>
>> Brad
>>
>>
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<div dir=3D"ltr">Geo, I'm wondering if your definition of "easier&=
quot; is the same as mine! :)<div><br></div><div>It's my understanding =
that the early TR4s were identical to the TR3, i.e. push-on valve cover bre=
ather and road draft tube.=C2=A0 The mid to late TR4s had the air filters w=
ith the tube in the center with a flame trap coming from the valve cover, n=
o road draft tube and and the valve cover cap was a sealed type. =C2=A0</di=
v><div><br></div><div>The TR4As had a vented cap, gulp valve and no road dr=
aft tube.</div><div><br></div><div>I'm going to do some testing by inst=
alling the vented valve cover cap, installing the gulp valve and I've t=
emporary capped the end of the road draft tube.=C2=A0 It will be a few days=
before I can test this setup as I'm still waiting for the replacement =
gulp valve diaphragm to arrive.</div><div><br></div><div>Brad</div><div><di=
v class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sun, Sep 6, 2015 =
at 12:30 AM, Geo Hahn <span dir=3D"ltr"><<a href=3D"mailto:ahwahneetr@gm=
ail.com" target=3D"_blank">ahwahneetr@gmail.com</a>></span> wrote:<br><b=
lockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px =
#ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>I have done the opposite=
, removing the plug and installing a road draft tube on my late TR4.</div><=
div><br></div><div>If anything what you have in mind should be even easier,=
but...</div><div><br></div><div>I installed the tube because the small ope=
ning on the TR4 valve cover could simply not relieve enough crankcase press=
ure - oil was oozing from every pore.=C2=A0=C2=A0 Perhaps the TR4A system i=
s more effective though.</div><div><br></div><div>Geo</div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sat, Sep 5, 2015 at 4:32=
PM, Brad Kahler <span dir=3D"ltr"><<a href=3D"mailto:bkahler1@gmail.com=
" target=3D"_blank">bkahler1@gmail.com</a>></span> wrote:<br><blockquote=
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex"><div dir=3D"ltr">I'm contemplating removing the roa=
d draft tube on my TR4 and am wondering if anyone has successfully removed =
the tube and installed the plug with the engine still in the car. =C2=A0<di=
v><br></div><div>It kinda looks like it would be a job for a contortionist!=
</div><div><br></div><div>Thanks!</div><span><font color=3D"#888888"><div><=
br></div><div>Brad</div><div><br></div></font></span></div>
</blockquote></div></div></blockquote></div><br></div></div></div>
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