karinvail Posted June 13, 2005 Share Posted June 13, 2005 An extra y-pipe I have has the cat on it - and the top of the shroud on it has a 2 1/2 or so inch round short pipe straight up (just a few inches tall). I'm *guessing* that this is supposed to route somehow to the air cleaner box for choke operation???? Just a wild guess, but it's the best thing I could come up with, LOL. The y-pipe I have now has started to leak, so I am considering putting this one on....... Link to comment Share on other sites More sharing options...
NorthWet Posted June 13, 2005 Share Posted June 13, 2005 Yes, that sounds like the heat riser for a carb'd engine... just a heated air thing. Shouldn't be any problem using it, unless there is a difference between ASV setup between yours and the car it came off of (as in, one used 1 ASV adapter and the other had none or two). Link to comment Share on other sites More sharing options...
pyromanic Posted June 13, 2005 Share Posted June 13, 2005 Thats for a pr-heat tube. Not really to do with choke. Exept that if you have one it may help the engine warm up faster. I see few old Soobs that still have the tube. They seem to do fine without them. They are a aluminumy/papery/cardboardy wierd stuff, flexible, shortlifespan, disposable, too expensive don't need it in the first darn place kind of a thing. On the other hand somepeople probably like them. That other Y-pipe should work fine. Pyro Link to comment Share on other sites More sharing options...
edrach Posted June 13, 2005 Share Posted June 13, 2005 That y-pipe allows hot air for the carburetor to be sucked up into the air cleaner intake through a corrogated aluminum hose. Helps in the winter time when the flapper in the air cleaner housing redirects warm air into the carb until the engine warms up. Link to comment Share on other sites More sharing options...
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