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Simple Carbs: Rebuilding and Tuning an SU Carburetor
https://classicmotorsports.com/articles/simple-carbs-rebuilding-and-tuning-su-carburetor/
And not only did almost every British manufacturer specify SU carburetors, but so did other companies. Volvo and Saab also used them, while Hitachi-built versions of the SU were used by Datsun. Sure, Webers may be …
SU carburettor - Wikipedia
https://en.wikipedia.org/wiki/SU_carburettor
SU carburettors featured a variable venturi controlled by a piston.This piston has a tapered, conical metering rod (usually referred to as a "needle") that fits inside an orifice ("jet") which admits fuel into the airstream passing through the carburettor. Since the needle is tapered, as it rises and falls it opens and closes the opening in the jet, regulating the passage of fuel, so the ...
SU carb for racing ? - Engine - Ratsun Forums
https://ratsun.net/topic/45138-su-carb-for-racing/
Or maybe not, the SU-type carburetor is a great carburetor. twin sidedraft can return close to the same fuel economy as stock, but almost everybody fits bigger cams, exhaust, etc and there goes the mileage I like to race the stock downdraft, so that doesn't mean much. You would expect Steve to race SU-type Hitachis as his business is servicing them.
SU carburettors, what you should know before tuning
https://www.youtube.com/watch?v=2yPbsMhXToo
This video is a follow on of the previous video where we captured the carb performance during a test ride. In this video I take you through the SU workings...
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