Re: Cylinder sleeves

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Posted by Tim Daley(MI) on June 30, 2018 at 04:17:24 [URL] [DELETE] :

In Reply to: Cylinder sleeves posted by Jerry on June 29, 2018 at 12:56:55:

As stated, Ford originally marked engine blocks with a STAR (*) or a DIAMOND (◊) prefix and suffix. The Star was to designate steel cylinder liners/sleeves, later, in mid 8N production, they switched to cast iron and then used the diamond symbol. This was the SOP for ALL FORD vehicles, not just tractors. Now, if you are asking because you plan on rebuilding your engine and want to buy parts, DON'T. Until you have engine stripped down and cylinders measured, no sense buying any new parts til then. Those STARS and DIAMONDS mean nothing today. Engines were possibly rebuilt before and not always done to OEM specs. Cast iron sleeves are the only ones sold today, I'm 99% sure, so kind of a moot point. Steel liners were not very effective. I've often wondered why FORD marked the blocks anyway. They must have had some inclination that they'd be changing at some point, otherwise why the need to I the blocks? So, my advice is wait til engine is naked and on the way to get boiled and checked before buying parts. Your shop will also be able to tell you if they found any cracks as well.

Tim Daley(MI)

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