Dropping it back to 14 should help with the pinging but you may need to back up to 12.
Don't know a lot about the newer Holley's but that should be a pretty good carb.
There's tuning instructions on Holley's web site for making sure the carb is set properly.
Is the electric chock wired up, if not it can cause a rich condition.
There's a spring kit you can get for the MSD to help with the timing curve.
On the ones I was working with we were trying to get a quick curve for our app but with the 2 lightest springs the advance weights wouldn't settle down until rpm dropped below 1000, this was causing the timing to hang up while still advanced about 6 degrees interfering with the idle setting.
For you car one light spring and one medium spring should get you full advance around 2700-3000 and still settle down for a good idle.
Probably how I'll set mine whenever I get time to work on my 406 FE engine, been a while since I tuned 3 two barrel carbs but I think I remember how.
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 - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
... [Read Article]
Latest Ad:
Sell 1958 Hi-Altitude Massey Fergerson tractor, original condition. three point hitch pto engine, Runs well, photos available upon request
[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.