Allen..... ....answer to question #1 = yes. Yer tranny will support yer engine after you remove yer front axle. Answer to question #2 = I don't know until you try and remove the sleeve and you can't peel the castiron but can the sheetmetal sleeve. Answer to question #3 = 1x4" flat spot just under the cylinderhead gasket with weakly handstamped numbers. The 8N-B tells me you have a 5-nipple sidemount distributor and 1730 is the block casting date of 17 Mar 1950 (I think, but don't care) Sidemount engines started production in early 1950. Answer to question #4 = yes. While the N-Pistons are the same diameter, steel or castiron sleeves, the thicker wall (0.090) of the castiron sleeve DEMANDS the cylinder block be "bored-out" to accomodate it. Castiron sleeves have better wear and sealing characteristics than the harder thiner steel sleve. Answer to question #5 = yes, good machine shops have specialize sleeve removal and replacement tools. Remember the sleeve is an "interference-fitt", meaning it is slightly bigger'n the hole it fitts into. I like to recommend making a sleeve spool outta plywood disks and all-thread rod. Fill the spool/cylinder cavity with dryice chips. (yellow pages) The -100F dryice will shrink the sleeve for eazy fitment. Works for eather steel or castiron sleeves. Simple, eh? Comment: gitt an I&T FO-4 manual, $22 (cheap)..... ..respectfully, Dell
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