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+--- Thread: cu carb (/showthread.php?tid=7332)
cu carb - bruce legg - 29-03-2022
i have a 1/1/4 in carb for my austin 7 what size jets do i need cheers
RE: cu carb - Ian Williams - 29-03-2022
You will need to provide a lot more information to obtain and answer which is relevant to your situation, if you have a standard unmodified engine the carb you have is too big and will never provide optimum performance.
RE: cu carb - Charles Levien - 29-03-2022
(29-03-2022, 06:54 AM)Ian Williams Wrote: You will need to provide a lot more information to obtain and answer which is relevant to your situation, if you have a standard unmodified engine the carb you have is too big and will never provide optimum performance.
If your engine is moderately tuned you could start with a no.6 needle and blue spring. It may be on the rich side but it’s what I use and seems to give a good performance.
RE: cu carb - Tony Press - 29-03-2022
CU ? SU ?