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On 21 Jul 99, at 4:45, john virtanen wrote: > Thanks in advance for any advice. I recently found a 1973 T3 square back > abandoned on the side of the road and after a little work, I now use it > every day. Is 22mpg fuel usage acceptable? I have rebuilt the carbs to > factory specs, re bushed the butterflys, and thoroughly tuned the engine > inc new plugs etc. Previously it was sucking 17mpg. It currently has > extractors with a new muffler which is a bit noisy. The motor i _ If > I replace the exhaust with a factory system, how will this affect > performance and fuel economy? Pretty nice roadside find! The stock exhaust should have a bit more back pressure which will require you to put in leaner jets for best results. That's assuming that the previous owner put in richer jets to go with the aftermarket carbs. He may have overdone it and this would explain the gas mileage, which seems a bit low. You'll get the best info from others who have the same car (Aussy model with dual carbs), however. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe