Don't remember any details about the engine block in previous post. Do know that all replacement engine blocks that I was inside with a cast # of 365586R1 and C248 on the side have a block bore size the same as C 264 and C281 engines. That is larger than regular M engines. Posting pic of 2 cam gear numbers and a cam #. Cam # is a original equipment on farmall 400 and part of the 450 tractors. Cam numbers that end with D came in M, SM tractors, already said what DA came in, DB was in about 2/3 of 450 tractors and used left hand thread on cam gear for gear retaining nut. You can see the cam gears have holes so the cam retaining bolts can be accessed through holes. Cam and gear can be removed and installed as a unit. If there making a aftermarket cam gear or what CIH is selling without holes now, If someone knows the answer It would be appreciated?
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Today's Featured Article - Pitfalls of Tractor Engine Rebuilds - by Chris Pratt. The first pop after you have put the machine together with your own hands is exciting and pleasing. The whole experience can be marred if one moves too fast and makes too many assumptions that they can just use "as is" some parts they should be closely scrutinizing and possibly attended to. In such cases, rework makes what could have been a fun project turn into an irritant or even a nightmare. Minor Irritants To give you an example of an minor but irritating proble
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