DO NOT USE BON AMI or any other abrasive! The Bon Ami "solution" was what GM mechanics were told to use when the small block Chevy engines came out with chrome rings that were difficult to break in. Introducing the Bon Ami, in a controlled amount, was the alternative to tearing the engine down and re-honing the cylinders to a finish that would cause the rings to "wear" in and seal better.
Ever see an engine that's had a head gasket leak? You can tell which cylinder that the coolant was leaking into by looking for the one with NO CARBON. Old-time mechanics used to take a 6-1/2 ounce Coke bottle of water and trickle it down the carb at a fast idle to remove carbon. The water in the cylinder turns into steam, and effectively steam-cleans the combustion chamber. But the key word is TRICKLE, not DUMP...you don't want to hydro-lock the engine and break things.
With a small engine like the Kohler, you might use a spray bottle, like the ones most folks keep on hand for their barbecue grills to keep the flames down.
Ever use an acetylene torch? That's an example of what happens with too lean a mixture. If you want to heat something with a rosebud tip, you use more acetylene [fuel] with the oxygen than you do when you're using it as a cutting torch. Ever hear of N20, or nitrous oxide injection? It works because N20 is 36% oxygen, rather than 20% oxygen like outside air. BUT...to keep from torching engine parts with N20, you also have to inject more fuel. The early adopters of nitrous learned these lessons the hard way.
I haven't looked into what the alky burners did back in the '60's...but I'm sure some research into their experiences might educate us as to some benefits/drawbacks of increasing the alky content of our gasoline-based fuels. With most gas tractor engines having a static compression ratio of 7.5:1 or less, in most cases increasing the octane of the fuel isn't necessary, providing the rest of the engine is in a good state of tune. Now, there are exceptions...if the dynamic compression is higher due to valve timing [a function of the camshaft grind], then a higher octane fuel might be required. But in most low-compression tractor engines, if a higher octane fuel is needed to prevent run-on, that's usually a sign that you have other things going on that should be attended to, either in the fuel system or in the ignition system.
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 - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[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.
