I am trying to identify whether I have a 170 or a 220. Through searching the various posts here, I found one that said I could look at toward the front of the engine, right beneath the head and it would say 170 or 220. The intake and exhaust manifold must be covering these numbers up for the only numbers I can get to are 07216 and 2463430 18 . Is there any reasonable way that I can identify which engine I have?
Thank you very much
ancient

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Older than dirt

The numbers are on the other side of the block from the manifolds- on the distributor side - on a small part of the deck, a pad that projects slightly from the block, that is not covered by the head, toward the front of the engine . The surface is machined, and the numbers are stamped. You shouldn't have to remove anything to see it.
If the deck has been milled, the numbers may not be there. The pad will remain.

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"When you find a big kettle of crazy, it's best not to stir it." - Pointy-haired Boss

1964 Valiant V200, 225/Pushbutton 904
BBD, CAI, HEI, LBP, AC, AM/FM/USB, EIEIO

Check the articles section on the home page -it has a table listing great infohttp://www.slantsix.org/articles/parts-matrix/jpg.htm try the link. welcome to the slanted side of life!!