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Hi all Wondering if any of you gurus can direct me to a fastener supplier that would have oem equivalent fasteners for my SU rebuild? For example the PO had stripped all the dome screws, I ruined the bowl drain plug and float lid screws on one float bowl. I ruined the throttle flap screws on one SU. Also struggling to find somewhere that supplies new throttle shafts, mine are worn into the brass. And before anyone says ask the guys at ztherapy, I did and they said they don't supply fasteners. Didn't ask them about the throttle shafts. Ryan

New SU carburetors made in the U.K. specifically for Z's! The set comes with street-able needles installed. Easy to set up and tune! Check out our store! www.roundtopsfuelsystems.com

i just bought a 1973 240z for my first car. it turns over but doesnt start. it turns over really smooth but just wont fire. what should i do first to try to get it to start? it has original su carbs. any help will be greatly appreciated.

I have a l24 bored 10 over with flat top pistons and a medium'ish cam. I want to run pretty high compression and was wondering as far as carbs go if I be better off with single 4 barrel carb (Bob Sharp setup) to get the best cfm or my 2 single updraft carbs. I can't afford the triple Webber's for 1500 dollars and I am wondering for the best bang for my buck what I am best off doing. I get mixed answers and opinions in my research. Also I plan on putting my Snow Performance water/meth system on it so I can run pump fuel if that makes any difference.