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Help ID this Mercury Marine (?) 6 cylinder 2x1 intake?

4

4d9r

New member
I posted this in the Fuel, separate from engines, forum but I wonder if perhaps more of you would see this in this forum. Please forgive the double posting but information seems to be scarce on these.

(original post)......
Hi,
Couldn't resist buying this even though I don't know what it is off or the vintage. Can't find and numbers on the manifold other than the firing order and the Rochester cab numbers are unreadable right now. Can you tell me what I have? I'm thinking I can use the setup on a 2x1 manifold for my stovebolt Chevy truck but I don't want to seperate the pieces if this is a rare marine combo.
 

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Can you tell me what I have? I'm thinking I can use the setup on a 2x1 manifold for my stovebolt Chevy truck but I don't want to seperate the pieces if this is a rare marine combo.
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Ayuh,.... Have fun with it,.... Nothing specail of great value there....

It's off a late 60s/ early 70s merc motor.... OMC had their version as well...
It's less than 1/2 there,... it fed a 3.0l 140hp motor...
 
I believe this set-up was used on the straight 6 294 cube "chevy truck " engine. ----200 HP if I am not mistaken.Not sure if it was standard or optional.------Mercruiser used them for a short while.
 
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