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Discussion Starter · #1 ·
I have a 1972 240Z that I would like to restore. It has been sitting for few years and I would like to get it running. The engine is a stock rebuilt L28 (N47 head, F54 block) with an auto transmission (I plan to convert to a 81-83 5-speed and 3.90 diff). The carbs are 40 SK Racing (Weber copy) with jets that are inter-changable with Webers. These are the current specs on the carbs:
Emulsion Tubes: F11
Main Jets: 130
Air Corrector Jets: 120 - 200 ????
Pump Jets: 40
Idle Jets: 50F9 ??? Can't read the # very well
Pump Ex Valve: closed
Main Venturi: 32
Aux Venturi: 4.5
Needle Valves: ??? Can't find a #

I don't believe the carbs are setup right, so what jets do you recommend I should start with. I hope I gave you enough info to make a decent recommendation. If not I can provide addittional info. Well I think this is long enough.
Thanks
 
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