Steve :
The original setup was that the side with one pipe was the inlet, and the pipe
opposite that one was the outlet to the other carb. This avoids having an
external fuel tee, like the TR6 did originally. There is no reason you can't
cap the outlet off (or use it as an inlet) if you want.
The vent pipe needs to remain open to the air so that the pressure inside the
float bowl can equalize. You can route it into the air filter (so it receives
clean air) as the factory did, but the disadvantage is that if the float valve
ever sticks open, your air filter will wind up soaked with gas and there is a
(faint) possibility of hydro-locking the engine. Another solution is to add a
long hose that hangs down towards the ground. That way, any overflow is routed
away from the intake and exhaust, where (hopefully) it will do no further harm.
Randall
On Thursday, August 31, 2000 10:52 AM, Steve Nabors
[SMTP:topdown@eudoramail.com] wrote:
>
> I've just gotten a couple of HS6 carbs to put on my TR6. The fuel bowl has 3
> pipe inlets. The two opposite each other appear to both be fuel inlet pipes
> and then there appears to be a lower vent pipe. I assume I can use either
> one of the two upper pipes as a fuel inlet and close off the opposite other?
> I assume two inlet pipes installed to allow for different engine
> applications? Can the third lower (vent) pipe be closed off as well or does
> it simply need to remain open to the air(or piped/routed back to the air
> filter)?
>
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