Small high output air cooled engines run hot. Heat contributes to knock/detonation which goes unheard over the exhaust noise. Small engines can also run lean due to carb adjustments, dirty jets or failing crankcase seals on some two strokes. Lean mixtures contribute to detonation. Idling and/or mixing too much lube oil or using a high ash lube oil. Contributes to combustion chamber deposits which can glow and pre-ignite the air/fuel mixture. So for the pennies a day difference to operate a small engine on premium or 100LL. It's cheap insurance. b.t.s. how many times has somebody had a two stroke engine apart with a hole melted in the piston and thought poor lubrication? Not so, that is detonation damage. Detonation can also crush ring lands and break rings which cause cylinder wall scoring. Once again it wasn't a lube problem, it was detonation. Too much lube oil also makes the engine prone to detonation.
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 - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
... [Read Article]
Latest Ad:
2022 John Deere 5045E, 4wd, front end loader and 3rd function with grapple. 120 hrs, 55k new, must sell
[More Ads]
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.
