Farm Equipment - Electonic ignition upgrade

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Electonic ignition upgrade

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=18087
Printed Date: 06 Feb 2025 at 1:08pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Electonic ignition upgrade

Posted By: Mr. Fix It
Subject: Electonic ignition upgrade
Date Posted: 11 Sep 2010 at 2:50pm

Hello All,

Great site, love the wealth of information. First the details: I inherited a 1969 AC B-110 lawn tractor w/ a B&S 10hp L-Head and it's been great for a few years now, but this year it had a hard time starting. I was getting a weak spark and was thinking of upgrading the ignition to a magnetron electronic ignition. The B&S support said it could be done if I sent the flywheel in to get it repolarized (repolarization is free, just a shipping cost). When I got the shroud off, I saw that someone was busy building a nest on the magneto. Here's my question: the mag is rusted up pretty bad, should I just replace it or should I still upgrade? Any advice would be greatly appreciated.

thanks, GM

Replies:

Posted By: CTuckerNWIL
Date Posted: 11 Sep 2010 at 3:07pm

I have had great results by cleaning the flywheel and the coil. Set the gap correctly and add new points and condenser. Having that unit you should check out http://www.simpletractors.com - http://www.simpletractors.com

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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF

Posted By: Mr. Fix It
Date Posted: 11 Sep 2010 at 3:31pm

Thanks for the quick reply, It's probably a good idea to keep it as original as possible. The fly wheel magnet can hold a 12" screwdriver out straight by the blade, so it's plenty strong.

I had forgotten about that site. Great nostalgia (check out my new avatar).