|
Tractor Talk Discussion Board |
Re: Re: Engine Compression - a question or two !!!
[ View Follow Ups ] [ Post Followup ] [ Return to Forum ]
Posted by shannon on January 15, 2002 at 10:26:18 from (146.186.68.29):
In Reply to: Re: Engine Compression - a question or two !!! posted by big fred on January 15, 2002 at 09:17:25:
the cranking compression will equal the compression ratio times the atmospheric pressure only if the intake valve closes exactly on BDC. if the intake valve closes before, or more commanly, after BDC then the cranking compression will be less. if i would have to guess i would say take your compression ratio*atmospheric pressure*.85 for a more accurate approxmatin of what it should be new. as far as determining engine wear a leak-down test would be better than the cranking compression test.
Follow Ups:
Home
| Forums
Today's Featured Article -
Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
... [Read Article]
Latest Ad:
18-32 Case Cross Motor
[More Ads]
Copyright © 1997-2025 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 |
|
