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3W Hank · 11-01-2024, 01:51 PM

If I had a good std block I would never bore it.
In my 'new' Merc 41 block that is ported way back and are 1/8 over I was into for 'time line or era before 49' as the resons to has a baby stroked 3.75" crank and then as block is told be 'thick' I did math on bore it max or sleeve it as it get more pay on cubics.
But this block might be vasted as it has a weld repair and one cylinder has a porthole so its not a good decent std block. That's why I will play with it.
But now as I bought a baby stroked 4" crank I leave it at 1/8 over.
But it must be honed so custom piston is needed.
But my main idea ( this is personal ) I like to use the Henry stuff.

-Bore&Stroked, do you know the Merc story ?

11-01-2024, 01:51 PM	#38
3W Hank Senior Member Join Date: Feb 2022 Posts: 584	Re: 8BA stroker kit If I had a good std block I would never bore it. In my 'new' Merc 41 block that is ported way back and are 1/8 over I was into for 'time line or era before 49' as the resons to has a baby stroked 3.75" crank and then as block is told be 'thick' I did math on bore it max or sleeve it as it get more pay on cubics. But this block might be vasted as it has a weld repair and one cylinder has a porthole so its not a good decent std block. That's why I will play with it. But now as I bought a baby stroked 4" crank I leave it at 1/8 over. But it must be honed so custom piston is needed. But my main idea ( this is personal ) I like to use the Henry stuff. -Bore&Stroked, do you know the Merc story ?