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Spooning on you!
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6,238 Posts
Discussion Starter #1
I know the piston stamp is on the drivers side towards the bottom. But exactly where? Can anyone give me a reference for example, is it near a line or bracket where I can reference too? Need to know the stamp before I order set a or set b. A picture would help.

I found a few threads on k20a but their so old info is all distorted and pics don’t work.
 

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Spooning on you!
Joined
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6,238 Posts
Discussion Starter #3
I need the stamp on the block. It’s either

Aaaa
Bbbb
Or there’s a b with 3 a’s or visa versa
 

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Spooning on you!
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6,238 Posts
Discussion Starter #4 (Edited)
Found my answer. I’ve read on k20a people said it was on the drivers side. Thats wrong or they are talking about a different k20, I dunno. On the k20a2 it’s behind the water pump assemble. Look through the gap on your intake manifold and where your water pump is (may have to remove it) and look in that gap the stamp is there.

Mine is bbbb
 
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