SU Carb Nozzle

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Mikewazowski
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SU Carb Nozzle

Post by Mikewazowski »

Hey team, does anyone know where I could get a nozzle for a Hitachi 38 mm SU-style carburetor?
IMG_20150606_115419.jpg
I've got a set of flat-top carbs running on my L18 in my 610 wagon, but the nozzle on the rear carb appears to be leaking fuel.
I've thought about trying to repair it, maybe seal it up, but it would be way easier and better if I could just get a new one.

I've had a look online, and it seems pretty easy to find these for the Z cars and the roadster, but I couldn't easily find any for the 1600/180B and wasn't sure if they would be the same?
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datsunboy
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Post by datsunboy »

Can't help sorry. ..... But Holy crap your still around!
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1970 Datsun 1600 - CA18DET - Sold!
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Mikewazowski
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Re: SU Carb Nozzle

Post by Mikewazowski »

Haha, yep I'm still lurking in the background Dan.

Progress is slow, but consistent.
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Re: SU Carb Nozzle

Post by Bartman »

Good on Ya Mike!
They don't call me the man with the rubber arm for nothing you know.............
datsunboy
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Post by datsunboy »

I would imagine they would be the same. .... There's enough guys on here with Z carbs that you might be able to get one measured for comparison
1969 SSS Nissan Bluebird coupe
1970 Datsun 1600 - CA18DET - Sold!
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Jabo
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Re: SU Carb Nozzle

Post by Jabo »

I think I have some spares......... not sure if they are the same I will have a dig in the garage and take some measurements
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Mikewazowski
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Re: SU Carb Nozzle

Post by Mikewazowski »

Cheers dude, appreciate it! :D
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Mikewazowski
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Re: SU Carb Nozzle

Post by Mikewazowski »

Think I may have found the culprit:
20150926_134740.jpg
The bronze piece that the nozzle slips inside has what looks like a groove or something in it. I guess that could cause the fuel to leak out and off the end of the nozzle.

Anyone know if that bronze bit is replaceable? Or does that render the entire carb useless?
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Mikewazowski
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Re: SU Carb Nozzle

Post by Mikewazowski »

Answering my own question it looks like it should come out, but I'm not exactly sure how.

Appears to be secured from the side in the small hole but I can't see a head or anything to undo...
20150927_163642.jpg
Very curious. Anyone know how to get the nozzle sleeve out?
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gman
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Re: SU Carb Nozzle

Post by gman »

You will find your float level is to high that is why fuel is coming out the nozzle assy.
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