The 1660 that I ran a little bit this fall read just over half way,warmed up at full throttle and maybe a 1/4 way over at low idle.But------ check it with a manual gauge-then you will know what your actual pressure is.Don't guess that the gauge is perfectly accurate.Those gauge sender units like to fail a lot.Also an electric gauge can have poor connections somewhere and give false readings.It would also be better to idle above 1000 rpm to get better fan speed for cool down.Don't change your oil to straight 30w.10w30 is 10w when cold and 30w when hot.It makes sure oil is flowing everywhere quicker when the engine is cold.If anything-use 10w40 Rotella or the Chevron brand 10w40 . Then you will have 40w when the engine is hot.Oils are way better improved since your engine was new and all oems will tell you 10w40is better than 30w.Mark
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Today's Featured Article - Tuning-Up Your Tractor: Secondary Ignition Wires and Distributor - by Curtis Von Fange. In our last episode we spent the entire day checking out the spark plugs. Is that efficency? Actually, it took more time to explain than it really did to do the inspection. At any rate we decided that a compression test was in order so we could verify the internal engine status. That way we wouldn't buy any tune up parts until we were sure that the engine was in reasonable mechanical condition. Our tests showed a fictional compression reading of 85, 80, 82 and 86 psi. That is well within a
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