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 - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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