Steve,
Sorry ... that didn't sound good did it ?? Don't light the torch of
course .. just start the engine and let it idle .. then vent the
propane in the vicinity of the manifold joints. If there is an air
leak it will be sucked in ... richen the mixture and the engine RPM
will increase. This is reasonably safe if done in a well ventilated
area for short durations etc ..... but is as dangerous as vapor from
an open container of gasoline.
More obvious leaks ... such as a boot split etc will usually cause the
engine to change RPM by simply pushing on the carb stack etc ... but
for something like a manifold o-ring half sucked in the propane would
be very effective.
campbell
----- Original Message -----
From: "Steve Gill" <[EMAIL PROTECTED]>
Subject: Re: high rpm pop
> What is the (safe?) procedure for using
> propane to discover air leaks?
> snip <
> > From: "TC" <[EMAIL PROTECTED]>
> > Subject: Re: high rpm pop
> >
> > If none of this works then I think I would
> > also look for an air leak, (manifold,
> > spigot boot etc .. use propane).
> >
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