Nobody's stated a brand or model of engine, but I've seen KOHLER advertising charts for the old cast iron flat head K-series engines that show cooling air flow is DIRECTLY PROPORTIONAL to RPM. Means at 2700 rpm they make 75% of the cooling air flow that they would make at 3600 rpm.
If an antiquated engine like that can perform to that level, a newer more modern engine should too.
The manual says run wide open because they are not buying the gas, and they can sell more rebuild parts when you run them that hard. And if the cheap diecast conn rods fail, they for sure window the block! More money from parts sales!
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Today's Featured Article - Tractor Profile: Silver King - by Staff. Silver King tractors were produced by the Fate-Root-Heath Company of Plymouth, Ohio. The company was founded by John Fate in 1884 and was originally called the "J.D. Fate Company". After several mergers over the years, the final company name of Fate-Root-Heath came about in 1919. The first tractor produced was actually called the "Plymouth" tractor and was powered by a 20 HP 4-cylinder engine with a 3x4" bore and stroke. The four speed transmission had a top speed of 25 mph! After more t
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