Posted by MSM on March 13, 2020 at 09:54:30 from (172.58.190.130):
In Reply to: Valve job posted by Gary Mitchell on March 13, 2020 at 08:27:19:
50 years ago you would grind the seats. Now the seats are cut or replaced depending on how many times the seats have been ground or how far the seats are hammered down, or are old style soft seats which will wear quickly since the onset of unleaded gas not having any lubrication for the valves and seats. Now there is a spec for valve standout, especially on diesels. If the valves are too low compression is affected and the engine will be hard starting even when hot.last 4 cylinder gas head i had done was right at 500.it was resurfaced, seats and guides replaced, a couple of valves replaced. Last 4 cylinder diesel head I had done was 750. All new valves and seats, valve guides, flat surfaced, guides machined for umbrella seals, assembled and pressure tested.
Upload one or more videos to your post. Photo and video filesizes should be less than 5MB. Formats allowed are gif, jpg, png, ogg, mp4, mov, and avi. Be sure to use filenames without spaces or special characters, and filetypes of 3 digits lower case.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - The Niagra View Mobile - Powered by a 1959 Ford Tractor - by Mark Massey. In 1959 the Niagara Frontier Transit Inc. of Buffalo, New York designed and built six Viewmobiles for the Niagara Frontier Sightseeing Inc. for use as a sightseeing ride at the Niagara Falls State Park, Niagara Falls, New York, powered by a 1959 Ford 611 Tractor.
... [Read Article]
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.
