jitenshakun
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40 accel. F15 emulsion 45f6 idle 150 main 210 air corrector 55 spill jet 33 main venturi 3.5 aux venturi. Happiness.
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FTR a 50 year old Nissan crate engine fires first try with some gasoline thrown at it.
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A venerated Z enthusiast is a day or so away from turning a brand new L18 engine over as part of a restoration. The engine is a properly new, never fired L18 assembled with a black no VIN block and SSS parts. It's life has been as a collector piece. A question I have is how many new, never fired engines are out there? I'm not talking rebuilt with new parts, but an engine that has been collecting dust for over 50 years.
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Does anyone have any hands on experience with vortex (my term) machined velocity stacks (air horns) on a L6? Ideally, experience on Webers but if a difference resulted on Mikunis I'm all ears. Link to product: http://admix-racing.com/product2.html Thank you.
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Base or standard Weber 45 specification for a 240z
jitenshakun replied to earlycanz's topic in Triple Mikuni and Webers
36 is going to feel a bit big. 2.4L is usually 32 tops, 34 for a 2.8L. A 4.5 aux is fine. 3.5 is an option. -
Base or standard Weber 45 specification for a 240z
jitenshakun replied to earlycanz's topic in Triple Mikuni and Webers
You're a bit rich on main for a L24 and may need to be in the 120-135 range. The 60F8 is too big. 50f8 is where you'll want to be. The 45 pump jet depends on the intake/exhaust (probably 0.55). If you find a bad bog on acceleration it'll mean you need to change you accel combo. -
I don't think it's a gunk or cleanliness problem. My guess is the diaphragm itself just doesn't play nicely with the spring at some point. I tried rebuilds, new aftermarket pumps, and combinations of tops, bottoms, and internals between all of it. I gave up without a mech solution.
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They seem to do odd things when they go back together. Easy part can feel ok, but then they don't work. I don't have a solution, just saying the mech pumps are a pain.
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Have you ran the pump into a bucket to capture the gas yet? That'll completely answer if it is a pump issue.
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Try to get another mech pump and try it.
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Wow - this is amazing information. Thank you very much for sharing!
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Base or standard Weber 45 specification for a 240z
jitenshakun replied to earlycanz's topic in Triple Mikuni and Webers
For sure and if you decide to go another way I'm always interested in a set of 45s. -
Base or standard Weber 45 specification for a 240z
jitenshakun replied to earlycanz's topic in Triple Mikuni and Webers
You can do it. There isn't any mystery to it. You just need the idle mixture screw and idle jets to he somewhere in the right ballpark to balance and then you're off to the races. -
I feel your pain. I went through all this a little over a year ago. I ended up with an electric pump by the tank.
