[TR] TR4 road draft tube plug

[Brad Kahler]

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 at 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 at 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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