Well,I believe you should put a new thermostat in without any holes in it.The coolant has to be regulated thru the radiator:with the holes in your thermostat,it is circulating too fast,and the coolant is not in the radiator long enough to give up the heat it absorbed in the block.I would look at air flow thru the radiator.See if the fan can pull a rag up to it when running at various rpms.See if the fins are clean,and not bent up.Also use an infra red thermometer to check against your guage-it may read a few degrees cooler than what you are seeing on your gauge,but if it is 30* or more,I would doubt the gauge.Lastly you may need to do the up grade-many engines are built with minimal cooling capacity by the chasis oem,and not what the engine oem recomennded.Mark
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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