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SU Round Top Carburetor

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Are they SU? They are Hitachi's! so.. name them as such..Thank you..
Hitachi made these under license of SU.. but they are different then su carbs so they are not su they are japanese hitachi carbs.

I'm sorry is i sound angry but i'm tired of correcting.. all the time..🙊

It's good to see it when someone joins the forum and start off with a joke.

  • Author
On 3/21/2025 at 4:34 AM, dutchzcarguy said:

Are they SU? They are Hitachi's! so.. name them as such..Thank you..
Hitachi made these under license of SU.. but they are different then su carbs so they are not su they are japanese hitachi carbs.

I'm sorry is i sound angry but i'm tired of correcting.. all the time..🙊

They are the original carbs from our 72' 240Z.

  • Author
On 3/21/2025 at 4:34 AM, dutchzcarguy said:

Are they SU? They are Hitachi's! so.. name them as such..Thank you..
Hitachi made these under license of SU.. but they are different then su carbs so they are not su they are japanese hitachi carbs.

I'm sorry is i sound angry but i'm tired of correcting.. all the time..🙊

Let me know how to differentiate them

Edited by blue-Ze

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12 hours ago, blue-Ze said:

They are the original carbs from our 72' 240Z.

Yes, they are Hitachi's, a lot of people mistake them as they look alike.

I've got a nice story about those! Our King had his own garage with at the head a master technician.. That technician Jan de J. came one day at 93! to me to buy a ReVox Tapemachine and saw the 240z standing on the driveway.. As he said that's a nice car i asked if he wanted to see the engine, offcourse he reacted and i showed him what's under the hood..

He pointed at the carbs and he said AH.. 2 BIG SU's that's nice and i had to correct him.. No i said these are improved SU's! They are Hitachi HJG46W! Also called roundheads.. you better avoid the flatheads hitachi (HMB46W) carbs as they are very difficult to tune..

There are some differences between the SU's en these Hitachi's.. what they are, i don't know as i never had some SU's in my hands! ;-) I'm sure these differences are in the details..

  • Author
9 hours ago, Mike said:

Blue-Ze, good luck with the sale, they look clean. You may want to consider lowering the price a bit because I've noticed a freshly rebdsdilt set is around $950

Hey Mike,
Thanks for that information!

When I posted them, I only found one other listing on facebook or something for 1100. That's what i based the price on.
Let me know a price that sounds more attractive.

Edited by blue-Ze

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