Could someone please help me with an experiment? Could you take off the hose connecting the carbon canister to manifold on your engine while running and see what happens to the rpm? Thanks!
--Previous Message--
: They are the emission controlled carbs,
: they work fine except that they have
: the add-ons ie idle trim, bimetallic
: temp compensator and decell valve assy,
: all of which can cause mixture problems
: (internal air bleeds).
: The diaphragms are a common problem, as
: has been mentioned, and make sure that
: the bowl vents are clear, if the
: incorrect air filter gasket is fitted
: it will block one off, as will a
: plugged charcoal can.
: If the carbs have been sitting for a
: long time, especially if there is
: unknown history, it would probably be
: best to consider going through them now
: because they can cause a lot of
: problems if they aren't set up
: properly.
: Glen
:
: --Previous Message--
: They are Stromberg 150 CDSE carbs. I
: already made sure the chokes are not
: engaged.
:
: --Previous Message--
: The first thing I would do is make sure
: that the chokes aren't stuck partly on.
: What model carbs?
: Glen
:
: --Previous Message--
: After 10 years of body/interior work on
: a
: 72 GT6 that I bought on ebay, I got the
: engine running. Good compression but
: puffs of black smoke on acceleration. I
: suspect the problem is related to the
: carbon canister/crankcase ventilation
: system being too restrictive creating
: too much vacuum at the carbs. When I
: remove the oil filler cap, engine rpms
: jump up. Is this normal? What else can
: I try?
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