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john charlton · 06-30-2019, 01:42 PM

I decided to experiment to see which carburetor would give the best economy and performance . Over the years I have collected many . The Marvel ran OK about the same as the Zenith but with a Tillotson it runs the best .More power and better gas mileage . I tried 4 different Zenith and several Tillotsons . All these were clean and correct float height . It just seems my P/U loves Tilly best !!! . At swap meets Tillotsons are plentifull and very cheap normally in the $5 $10 nobody seems to want them but I think they are a very good unit certainly equal if not better than the Zenith . One good point is that they do not stall out on heavy braking as the Zenith sometimes does . On idle they they are not as smooth and wont "tick off" like a Zenith can but that does not bother me .

John in a hot summers evening Suffolk County England .

06-30-2019, 01:42 PM	#9
john charlton Senior Member Join Date: May 2010 Posts: 1,304	Re: Tillotson versus Zenith carburetor I decided to experiment to see which carburetor would give the best economy and performance . Over the years I have collected many . The Marvel ran OK about the same as the Zenith but with a Tillotson it runs the best .More power and better gas mileage . I tried 4 different Zenith and several Tillotsons . All these were clean and correct float height . It just seems my P/U loves Tilly best !!! . At swap meets Tillotsons are plentifull and very cheap normally in the $5 $10 nobody seems to want them but I think they are a very good unit certainly equal if not better than the Zenith . One good point is that they do not stall out on heavy braking as the Zenith sometimes does . On idle they they are not as smooth and wont "tick off" like a Zenith can but that does not bother me . John in a hot summers evening Suffolk County England .