Posted by the tractor vet on March 17, 2009 at 06:11:50 from (76.212.233.65):
In Reply to: new cam 30wt ND oil posted by CWL on March 17, 2009 at 05:32:09:
Well i have been hearing a lot of talk about the NEW oil of today not having any ZINK in it and on the older engines with flat tappet cams the Zink is needed to stop cam ware . And a 30 weight Non detg. oil would not be my first choice . For cam break in coat the cam with a cam lube along with the lifters when ya install it once ya get the engine started and ya have t set i like to run the engine for a half hour at around 15-1800 rpm . Myself i have never been a big fan on the Ford 400's as i had my share of problems with them along with everybody that i know that had them new .And i use to be a die hard ford nut . Everyone of use had the same problems and it was always main bearing failure . Some people said that it was oil pump problems but if you pulled one down and took some time to look at the wear on the bearings you would see that the ware showed tha the main saddles were warped as the top of a main would ware to the one side and the bottoms would ware just the opposite . Myself i never took the time to set down and build one . The 78 F250 4X4 that i bought new spent more time at the dealership then i did driving it . Went thru 3 engines and four transmissions in less then a year under warranty and after the warranty ran out went thru three more engines and one transmission . When the last transmission went i tore it apart and found the problem as to why it kept eating trans. From the factory they left out one clutch disc and one plate and only had three disc's and plates in the ft. clutch pack when it should have had four . When the socalled mechanic at the dealer ship would rebuild it he put back in what he took out and never checked clearances . I went and changed it from a 4 clutch transmission to a 6 clutch transmission and never had a problem after .and for the engine i used the last 400 for a boat anchor and made the change to a 460 and never looked back as the truck went from the 8-10 MPG with the 400 to 14-16 with the 460 what ya had to do in low range with the 400 now ya could do it in high range with the 460 . I am not saying that if one would do a true line bore on that engine and NOT a Line hone and bore the engine off the center line of the crank and get the deck hight set off the crank center line that one could not make a good engine out of one . Just never took the time to try.
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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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