19-12-2021, 11:26 AM
Has anyone found that the Ruby sidedraft Zenith has benefited from different jetting when running on a smaller lighter earlier car? Would be interested to hear any experimentation.
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Ruby carb jetting change running on SWB?
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19-12-2021, 11:26 AM
Has anyone found that the Ruby sidedraft Zenith has benefited from different jetting when running on a smaller lighter earlier car? Would be interested to hear any experimentation.
19-12-2021, 12:21 PM
Hi Jon
My opinion (and it is just that) is that carb set up is fully dependent on engine characteristics and not on the weight of the car! Cheers Howard
19-12-2021, 01:05 PM
Hi Jon, I ran a three bearing motor in a Chummy for years on the standard Ruby jetting and it ran perfectly, with a good plug colour and excellent fuel consumption.
If it ain’t broke...!
19-12-2021, 01:38 PM
good. that's what I need to hear. Thanks all.
19-12-2021, 08:34 PM
(This post was last modified: 21-12-2021, 03:38 AM by Bob Culver.)
Exhaust sytems affect optimum jets . For some reason unobstructed sytems seem to run more rich. Side exit possibly represent such. My RP feell from 50 to 40 mpg when a lightly baffled silencer fitted.
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