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Ol' Ron · 12-11-2012, 06:22 PM

I had a similar problem with a block with all 8 cylinders selves with 1/8" sleeve, I removed them and had the block sonic tested. Still had over 175" in it's thinnest area.
I try to bore all my blocks .125" if possable or to 3 5/16, This gives 258ci with a stock Ford crank and makes a great street engine especially with a milled EAB or 81A head. Compression would be near 8:1. A 2GC carb on a merck intale opened up for it and you have an inexpensive street engine that would be hard to beat . Even get great mileage.

12-11-2012, 06:22 PM	#13
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,860	Re: 8ba Cylinder sleeves I had a similar problem with a block with all 8 cylinders selves with 1/8" sleeve, I removed them and had the block sonic tested. Still had over 175" in it's thinnest area. I try to bore all my blocks .125" if possable or to 3 5/16, This gives 258ci with a stock Ford crank and makes a great street engine especially with a milled EAB or 81A head. Compression would be near 8:1. A 2GC carb on a merck intale opened up for it and you have an inexpensive street engine that would be hard to beat . Even get great mileage.