29-09-2018, 10:15 PM
(29-09-2018, 10:07 PM)jansens Wrote:(29-09-2018, 09:54 PM)Peter Naulls Wrote: The reason I'm asking is that I have a special with a tubular exhaust manifold and SU carb which runs well in warm weather but badly when it's cold. Living in Inverness this reduces the Austin Seven season down to a couple of months! I suspect part of the problem (just part) is lack of vapourisation.My old MG mechanic used to tell me he'd re-tune his SUs between summer and winter in his B.
Peter.
Re your MG mechanic : This is because of the difference in air density between summer and winter.