801 172-CID diesel sleeves verification

Ignore my last post. It was supposed to be a reply to the question in another thread about whether the 1600 and 1700 heads were interchangeable.
 
Post the casting number and date of your block, in theory yes, but that is assuming nothing has been "field expedient modification" over the years.
 
They were factory sleeved until about SN 153xxx. After that they were sleeveless. Probably very few sleeveless engines running 60 years later.
 
OEM blocks on the Hundred Series used cast iron cylinder liners, but don't bet the farm that yours has them in it til you get it torn down and see for yourself. ALL FORD engine blocks (cars, trucks, not just tractors) used steel cylinder liners up until about May, 1951. At 8N-433578, blocks were changed to use cast iron sleeves. Blocks were ID'd by a serial number hand stamped. FORD used a star ( * ) symbol prefix and suffix on s/n's to designate steel sleeves were used. In 1951 when they changed to cast iron liners, the symbol was now a diamond ( ◊ ) stamp. Some fellas removed the sleeves altogether and bored out the block to use larger car/truck pistons. FORD knew steel liners were junk. Why else would they need to identify blocks as having steel liners? They knew they would have to switch at some point. Whatever the reason, steel liners are a moot point since they don't make/supply them today. You can only get the cast iron liners. As with any part, don't buy new until you know exactly what you need. On an engine rebuild, you or your machine shop guy needs to get the block down to bare bones, measure the bore IDs to see what size OD cylinder liner will be needed. Also, determine what size piston you will need as well as the mains and crank sizes after the crank is reground. Don't buy an engine kit until you are sure what sizes you'll need.

Tim *PloughNman* Daley(MI)
 
If your block takes a spin on oil filter without an adapter plate, it left the factory parent bore. It could have been bored and sleeved any time since then, so you you wont know what you have till the heads off, liners, if any pulled, and measured.
 

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