If your TR4 lacks the crankcase breather tube that may be at the root of
your problem.
That tube was deleted (and the hole plugged) at some point in TR4
production. About the same time the oil fill cap went from the breather
style to a sealed cap.
Alas, that little spout and hoses to the air cleaners do not seem up to the
task of relieving crankcase pressure - at least that was the case on my
engine. As a result, mine was seeping oil out of every crack & pore.
I installed an original crankcase breather tube (like a TR3) and that took
care of everything (except a minor real seal leak).
Geo
On Fri, Aug 22, 2014 at 6:46 AM, Brad Kahler <bkahler1@gmail.com> wrote:
> When I bought my TR4 back in 2010 it came with a TriuimphTune alloy valve
> cover. While nice looking, the fact that it has no baffle or screen over
> the breather tube going to the carburetors causes oil consumption to
> increase. I've been doing some google searching and have come up with
> several possible solutions on how to create a baffle.
>
> One involves epoxying an aluminum baffle over the opening, another uses
> some wire and a small aluminum plate held in place over the hole. Still
> another was adding a small baffle over the opening by riveting it in place
> with solid aluminum rivets. And finally someone apparently has wrapped a
> screen over the discharge end of the tube and and then pushed the hose over
> it.
>
> I'm sort of partial to the aluminum plate and rivet idea although I'm not
> keen on drilling holes in the valve cover. However I might try the screen
> method since it would be a quick and dirty test.
>
> Has anyone tried a different solution to what I've listed? If so I'd love
> to hear about it.
>
> Thanks,
>
> Brad
>
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