Converting a TFI ignition. Any good write ups out there?
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Joined: Aug 2005
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Converting a TFI ignition. Any good write ups out there?
'84 E150 300. To make a long story short I want to dump my TFI for something basic and simple so I can get this van running again. I will keep it forever and won't have to worry about passing a smog test. Been searching and got some info on a few of the components but is there a write up on this project? Will I also have to change the feed back carb?
Just point me in the right direction,
Thanks,
Jim
Just point me in the right direction,
Thanks,
Jim
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Joined: Dec 2006
Posts: 3,603
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From: Spokane, WA
http://gofastforless.com/ Check out the ignition section there. You can also use a DUI (Davis Unified Ignition) or a DUI DS2 system set up for your vehicle.
Nothing particularly complicated about a TFI ignition. The TFI coil is used by some as a cheap upgrade on a DS2 ignition. If everything is tuned up and adjusted properly the feed back carb is fine...that's IF. Otherwise back up to a DS2 system and an 83 or older non-feedback carb.
Nothing particularly complicated about a TFI ignition. The TFI coil is used by some as a cheap upgrade on a DS2 ignition. If everything is tuned up and adjusted properly the feed back carb is fine...that's IF. Otherwise back up to a DS2 system and an 83 or older non-feedback carb.
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'84 E150 300. To make a long story short I want to dump my TFI for something basic and simple so I can get this van running again. I will keep it forever and won't have to worry about passing a smog test. Been searching and got some info on a few of the components but is there a write up on this project? Will I also have to change the feed back carb?
Just point me in the right direction,
Thanks,
Jim
Just point me in the right direction,
Thanks,
Jim
If you decide to get a new distributor, consider our custom curved Duraspark Distributor built with our new Full Length Oil Impregnated Bronze Bushing. The full length bushing improves timing stability and spark scatter. If stock appearance is not an issue, take a look at our one piece D.U.I. Distributor. Whether you choose the Duraspark or the D.U.I., we curve each on a distributor machine based on your engine combination. Please see them at:
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o
></o>http://performancedistributors.com/forddistributors.htm
<o
></o>Also, there is now an excellent installation article on the D.U.I. Distributor on the Ford-Trucks.com site at:
<o
></o>https://www.ford-trucks.com/article/idx/0/358/article/DUI_Ignition_Installation_In_A_Ford_351W_V8.html
<o
></o>Ignition Lesson of the Month: Hystereses, the difference between the timing as the rpm and vacuum increases to the timing as rpm and vacuum decrease, needs to be kept to a minimum. A precise advance curve accomplishes this.
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