Farmall & IHC Tractors Discussion Board |
Re: farmall c low oil pressure
[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]
Posted by captaink on April 18, 2006 at 11:39:00 from (66.115.214.56):
In Reply to: Re: farmall c low oil pressure posted by Mark on April 18, 2006 at 09:12:18:
Mark, With all respect, it is engine design that determines if low oil pressure is acceptable. The vintage Chevy’s you refer to (40’s and early 50’s) were designed to be low pressure (lower than 30 with 15 being a “normal” reading) oil systems. The connecting rod bearings were oiled by the oil pump delivering oil to troughs under the connecting rods. The connecting rods had “dippers” on them that dipped into the oil and oil lubed the bearings through a hole in the rod cap to the crank surface. Most other parts of the engine were lubricated from the "splash" from the rod dippers and catch troughs and oiling holes. Some of the older Farmalls (F-20 for example) were the same way as well as many of the V-4 Wisconsin engines. Those Chevy’s also had a notorious habit of throwing the # 5 rod through the right side of the block if they were revved to high. However GMC trucks of the same era were a high pressure oil (normal reading 30 psi or more) system with a drilled crankshaft. The oil was supplied to the rod bearings via passages inside the crankshaft. To get the oil into the bearings it was necessary to have higher oil pressure. The F-12/14 A, B, C, H, M and newer all have the high pressure oiling systems. Normal oil pressure for these engines is over 30 pounds (M’s in good shape will have more than 60 psi). The stock B and C (may be others also) oil pressure gauge is mounted on the oil filter base and does not take the reading off the cam bearings. If the gauge is working correctly and shows low oil pressure, then there is an issue in the engine that needs to be corrected. Since the A, B, C and a few other models are notorious for warping oil pump plates and having “chunks” of gasket missing, this is likely the cause and should be corrected since this engine is designed to have higher oil pressure. In this case not only is the oil pressure low, but also the oil volume to the crankshaft is also. Ignoring the problem may lead to premature wear inside the engine including rings and pistons.
Replies:
Home
| Forums
Today's Featured Article -
Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
... [Read Article]
Latest Ad:
Sell 1958 Hi-Altitude Massey Fergerson tractor, original condition. three point hitch pto engine, Runs well, photos available upon request
[More Ads]
Copyright © 1997-2024 Yesterday's Tractor Co. All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. Yesterday's Tractors - Antique Tractor HeadquartersWebsite Accessibility Policy |
|