Not Ranked
Hi,
I've built a few new BOSS blocks. The steam holes that I know of are the between each of the cylinders in an "X". If you look between the #1 & #2 (between all cylinders too) cylinder there are triangular shaped holes that will expose the steam holes that will cris-cross about 2 inches down. No drilling or machining is needed.
These steam holes limit the max bore size because the limit the material between the siamesed bores.
I hope this helps some.
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In 1993 Mike made the first conversion of a Ford Tremec to GM 5-speed. It bolts to stock bellhousings w/out an adapter. The FE Tremec, the Mustang adjustable quadrant are originals from Mike.
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