Don't know if all tractors do, but some 300 with fire craters will hit the H head. If you look at your 300 head you will see the edge on the other side from spark plug is sloped off and the H is not. You can grind that sharp edge on the H head to work if the piston hits. Make all 4 the same and don't go to deep. IH sloped the edge in combustion chamber on the 8043 head when they put it on a SH and advanced the suffix to DD. May not notice any power change.
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Today's Featured Article - Trenching With a Plow - by Staff. Introduction: This interesting information came from one of the discussion forums here at YT. We thought we should place it up front so it could be read by anyone interested in putting old iron to work. [Editor] I tried something new today, and it worked so well I thought I should post it - in case it might help someone else. I'm running 100 yards of 4" drain pipe from the gutter downspouts of our house to a pond down the hill. This should hel
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