I am in the process of looking for a triple carb manifold and I have found one but I can't tell what version it is. I am familiar with the 4 manifolds such as cannon, mikuni, fet, and twm. I can't seem to tell what kind of manifold this one is. It looks like a cannon but has the linkage set up like a mikuni. I have attached photos and I am waiting for the vendor to see if there are any noticeable stampings. I don't see any in the photos.

Maybe TWM? https://www.google.com/search?q=TWM+intake&rlz=1C1BOFA_enUS494US494&oq=TWM+intake&aqs=chrome..69i57&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8

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Maybe TWM? https://www.google.com/search?q=TWM+intake&rlz=1C1BOFA_enUS494US494&oq=TWM+intake&aqs=chrome..69i57&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8

From the twm's that I have seen they have similar linkage mounting as the canons. This one has a one piece cast design like a mikuni. I tried to look in the middle for twm or the mikuni stamp but nothing. It does have a vacuum port on the 6th cylinder like the Datsun Competition. Does anyone have a photo of the Datsun competition? I have tried to google with no luck.

Looks like the typical Comp replica, could be Tomei, FET, Kameari, etc.

Is there any way to tell if it is real datsun comp intake?

Not that I know of.