[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [New Search]
----- Original Message ----- From: "Jim Adney" <jadney@vwtype3.org> > After working thru everything, and correcting all my mistakes, it looks like > the gas level in the float bowl will rise somewhat less than .015" for every 1 > psi that the pressure rises. This is for the 1.2mm float valve. This is much less than the allowable float chamber fuel height variation (0.762mm as opposed to 2mm) so I guess it shouldn't make any difference at all. So why DID VW change the fuel pump spec? surely it would have been cheaper to keep the bug spec? Also I'm sure that my engine runs better now that I fitted an NOS Pierburg pump rather than the cheap brazilian bug one I had fitted before- maybe that pump was really low pressure, or perhaps it didn't have enough flow, or some other problem? I don't know if I'll ever find the time to investigate this as it is no longer a problem! > I should also point out that, because the float is tapered, the real numbers > will be somewhat LESS than the figures above. I just didn't know how to do the > calculation exactly, so I had to make some simplifications. So how did you do the test Jim? didn't you use the standard float? > Thanks to Bob for loaning me the carb. It's packed up now and I'll get it back > to you some time this week. Thanks Jim on behalf of us carb'd T3ers for the stirling work Mark Seaton '73 Fasty, London ------------------------------------------------------------------- List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org