I currently have two tri-carb Healeys + just sold another one. All have
freshly rebuilt engines w/ mileage ranging from 250 to 5000. None of these
cars have the smell at all. So, I don't know what the problem is, but it is
not due to the tri-carb set-up.
John Snyder
>I have not driven my tricarb any great distances since it's conversion back
>to
> triples and it's rebuild, -but in driving around town, and while working
> on
> it, running, -I have noticed that there is appreciably more exhaust smell
> from
> the crank case and valve cover vent, than there was when the car had the
> twin
> HDs on it.
>
> It is not to the point where it produces headaches or other
> symptoms, --but
> the smell is there, and it is definitely coming from the screen on the air
> filter on the rear carb. --Is this fairly typical of the tricarbs out
> there?
> I'm aware that the pancake air filter does not create much of a vortex to
> suck
> the vapors into the carb, and that there is approximately 34% less air
> flow
> into the carb throat than on a dual carb setup.......
>
> Is this all I am dealing with? (I'd hate to "gas" myself, unaware...).
> Is
> there a means to measure the venting volume from the hose, or to determine
> if
> the output is too high? --Any solution for improving the draw on the
> carb, to
> reduce the escaped vapors?
>
> (Engine is practically new from rebuild, and compression is excellent)
>
> David W. Jones
> '62 Mk II BT7 tricarb
> Cumberland, RI USA
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