Posted by The tractor vet on December 05, 2020 at 23:56:30 from (104.179.81.68):
In Reply to: Re: v8 farm tractors? posted by greenenvy on December 05, 2020 at 21:13:53:
They still needed put in service i don't give two hoots in hatties if they were FACTORY NEW . when they got broke in then ya run the overhead , pulled the pump and put it on the stand and checked it for pressure and flow and made adjustment . Just because it says one thing THIS IS NOT WHAT they are doing . Case in point here one Thursday evening after a test ride of a NEW I H 4300 Eagle when they first came out my one close friend and i BOUGHT two new 4300 Eagles , Both speced out the same except for color k, they were BUILT back to back and only ONE number in the S/N was different . Straight from the factory in Ft. Wayne My buddys ran better then mine by a half gear better in the hills , i took mine up to Cummins first and when Bobby and Chucky got done with mine i was a whole gear faster up the hills Then he took his up and they did the same thing to his and once again i was on the back door . Back to Cummins and they gave me a wee bit more and the battle was on back and forth with the two truck till they were ALMOST even , both pulled the hills with 95 to a 100 grand in the wagon even , BUT flat out i was getting fifty RPM more on the top and could do a couple more MPH . The battle was far from over and we started doing things to make MORE pony power , Pump work Bigger hair dryers Cam timing Pulse manifolds custom injectors all Stelite valves , running the intake valves tighter loosen up the exhaust valves only 45 inch pounds on the injectors , then a total tear down and all sorts of grinding and deflashing along with and over balance of all moving rotating pieces and parts . We made them RUN . Now had you had those engines done like they were suppose to it would have made a HUGE difference . A 903 IF momorey still serve me they had a gov run out of 2850 and IF the 855 was factory set it had a 2150 Gov run out and started layen the fuel back at 2050 RPM . NOW had you added say like four shims on the back side and got it to run with a 2350 fuel run out and a top gov run out of 2450 . then you would have had your EYES opened . After spending the better part of my life twisten wrenches since 1962 and making thing GO i do have a fair bit of knowledge Of what runs and what does not run and HOW to make the ones that don't run scream . And you like most don't know the how to and what fors ya just get in them and drive them . Same as when i had the shop open 99% of my customers did not know that hey by the way here when was the last time you had the valves adjusted on your diesel tractor and i would get YOU HAVE TO ADJUST THE VALVES ONCE IN A WHILE , well DAH yea you do and when you went to adjust the valves you could throw a cat between the valve stem and rocker arm . Your Doge Cummins SHOULD have the valves adjusted every 25000 miles Big trucks every 100000 miles , i did mine at 50000 miles or when i had to replace head gskts and head bolt , the price you paid for a go fast truck with the wick turned way up .
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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