Posted by David G on January 26, 2018 at 07:12:31 from (204.29.138.33):
Well, it is still not running correctly.
The original turbo was re-installed after the re-designed turbo was found to be too large, turns out the old turbo is too large in cold weather, they are upsizing the waste gate, as I suggested 4 months ago, to accommodate the bigger turbo under "all" circumstances. The leaner burning engine is producing a lot more exhaust gas than the engine did before, and looking from an exhaust volume perspective a lot like a Diesel. I think they will install the new waste gate in the upcoming month. The old waste gate was 4", the new one will be 5" and the piping is being upsized.
They installed a pre-chamber to make it burn leaner. They found out the pre-chamber was too long and there were rich pockets inside it causing detonation. They shortened the pre-chamber and that seemed to get rid of the detonation issue. They also changed the position of the pre-chamber, it was mounted horizontal, the new mounting is at a 45 degree pointing down. These two changes made the flame front appear to be about 2 degrees under no load and 4 degrees quicker than the old one, thus the engine started pre-igniting. They have now retarded the fuel timing and it is not not pre-igniting.
More testing will be done once the new waste gate and corrected turbo are installed.
This was a 2 million dollar fixed bid conversion, I think they are about a million over, glad I did not bid that.
Upload one or more videos to your post. Photo filesizes should be less than 300K and Videos, less than 2MB. 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 - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
... [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.
