240z SU carb rebuild kit question
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Joined: Dec 2015
Posts: 5
240z SU carb rebuild kit question
Hey everyone,
I recently purchased the 240z round top SU rebuild kit from Zcardepot.com and was curious which needles to use M39 or M43. Every where I read a N prefixed needle is referenced. Also, what are the washers replacing? Thanks in advance, here is the link.https://zcardepot.com/fuel/carbureto...z-1970-73.html
I recently purchased the 240z round top SU rebuild kit from Zcardepot.com and was curious which needles to use M39 or M43. Every where I read a N prefixed needle is referenced. Also, what are the washers replacing? Thanks in advance, here is the link.https://zcardepot.com/fuel/carbureto...z-1970-73.html
Last edited by theKvR; Jan 19, 2016 at 08:15 PM.
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Joined: Feb 2011
Posts: 305
The needle to use depends upon how you want to tune the carburetors. The taper of the needle affects how rich/lean you are running. SU Carb (very) Fine Tuning ? Moss Motoring
As for the washers, they replace...existing washers. SU Carburettor, SU Carbie Perth, SU Performance, SU Australia - Holley Performance Parts
As you are rebuilding the carburetors, look for play around the throttle shaft. That indicates wear that will let in extra air.
As for the washers, they replace...existing washers. SU Carburettor, SU Carbie Perth, SU Performance, SU Australia - Holley Performance Parts
As you are rebuilding the carburetors, look for play around the throttle shaft. That indicates wear that will let in extra air.
Thread Starter
Registered User
Joined: Dec 2015
Posts: 5
The needle to use depends upon how you want to tune the carburetors. The taper of the needle affects how rich/lean you are running. SU Carb (very) Fine Tuning ? Moss Motoring
As for the washers, they replace...existing washers. SU Carburettor, SU Carbie Perth, SU Performance, SU Australia - Holley Performance Parts
As you are rebuilding the carburetors, look for play around the throttle shaft. That indicates wear that will let in extra air.
As for the washers, they replace...existing washers. SU Carburettor, SU Carbie Perth, SU Performance, SU Australia - Holley Performance Parts
As you are rebuilding the carburetors, look for play around the throttle shaft. That indicates wear that will let in extra air.
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Alan240z
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