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Alternative to Pertronix Ignition

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=8785
Printed Date: 19 Jan 2025 at 5:17pm
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Topic: Alternative to Pertronix Ignition
Posted By: mooboy
Subject: Alternative to Pertronix Ignition
Date Posted: 28 Feb 2010 at 6:07pm
For those of you that would like a low cost alternative to the Pertronix ignition for your tractor with distributor and 12 volt coil, you can use an ignition module from a mid 1980's to mid 1990's ford vehicle (sometimes referred to as a TFI ignition module).  I have done this on two of my tractors, and these are working tractors and not for show, so original look is not so important.  One of these tractors is a Ford 3600 with loader and very difficult to change points because of access to the distributor.  Man am I looking forward to not having to change pitted points.  It has been a very reliable upgrade and tractor runs great.  I can get TFI modules for $10 to $20 at local junk yards. 

Here is a website that shows the TFI conversion on a fork lift:

http://www.advrider.com/forums/showthread.php?t=417099 - http://www.advrider.com/forums/showthread.php?t=417099



Here is a picture on how to wire it up:









Replies:
Posted By: CTuckerNWIL
Date Posted: 28 Feb 2010 at 6:32pm
Thanks for posting the poor mans elec ignition. Charlie

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF


Posted By: Brian Jasper co. Ia
Date Posted: 28 Feb 2010 at 7:29pm
That's interesting. I'd never considered that idea. I saw on a Cub Cadet web site where a guy was making a module he called a "Point Saver" that used the original points on the Kohler K engines to trigger his module. All you really need is a big  power transistor that can handle the coil current.
Now the challenge would be to get the hall effect switch and shutter from something like an Escort and graft them into an old distributor.


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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford


Posted By: CTuckerNWIL
Date Posted: 01 Mar 2010 at 7:44am
So if there were components that could be grafted into a distributor, why not put them in an old magneto case?

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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF


Posted By: geb
Date Posted: 02 Mar 2010 at 5:05pm
For the 4 cyl tractors you can take a HEI distrubutor out of a chevette (i don't know what else) and with minor machining put it in an AC 201 or 226.  Works great and very reliable and inexpensive


Posted By: jaybmiller
Date Posted: 02 Mar 2010 at 5:26pm
Hay Brian...I've used that 'point saver' idea on 3 or 4 of my Kohler powered riders.Since the current draw through the points is minimal they seem to go forever.I added an LED to show it's working right. I figure $10 for parts and an hour of my time was well worth it.
Jay
 


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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)

Never burn your bridges, unless you can walk on water


Posted By: Steve in NJ
Date Posted: 02 Mar 2010 at 5:36pm
I did a similar upgrade on my 716 also w/16HP Kohler...
Steve@B&B



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