The 216 valve covers have 2 acorn-like nuts sticking through the top on studs. The 235 cover has 4 machine screws at the bottem flange in threaded holes in the edges of the head. 216"s are no good if you expect high rpm and high speed on an old engine. 216"s were in deuce & a half ton trucks during WWII. With a little knock or a drop in oil pressure the babbit bearings could be, " taken up ", by removing shims and would compensate for bearing wear, keeping the engine in-spec and running for a long time to come. I"ve had both and still run a 216 in a "46 half ton. 235"s became more popular, I believe, because of the ease in changing bearing inserts. Both engines had the oil filter canister...as an option. The biggest draw-back to an older 216 or 235 was the relatively long piston stroke which lead to greater cylinder wear than a shorter stroke engine, which lead to greater oil consumption and shorter engine life between rebuilds.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I�m handing him tools and he says, "give me that..." and I�ve already got it in his hand or "hand me that....."and I�ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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