Pertronix Ignitor 2 Question?
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Fleet Mechanic
Joined: May 2017
Posts: 1,295
Likes: 29
From: Southern CA
Pertronix Ignitor 2 Question?
I am thinking about converting my 1971 F250 300 4.9L from P&C to a Pertronix 1 or 2.
I know the advantage of the Ignitor 2 over the 1.
What I need to know, what is the part # for the Ignitor 2 for my engine?
I know the Ignitor 1 part # is 1261.
Pertronix calls for a 3.0 ohm coil with the Ignitor 1.
Is a 0.6 ohm coil the correct one for the Ignitor 2?
I know the advantage of the Ignitor 2 over the 1.
What I need to know, what is the part # for the Ignitor 2 for my engine?
I know the Ignitor 1 part # is 1261.
Pertronix calls for a 3.0 ohm coil with the Ignitor 1.
Is a 0.6 ohm coil the correct one for the Ignitor 2?
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
No the Ignitor 1 needs a minimum of 1.5 ohms resistance in the primary circuit. It will work with a 3.0 ohm coil.
Yes. From their webpage:
"Flame-Thrower II coils feature a very low resistance which make them the ideal coil for Ignitor II ignition systems as well as many other high performance ignitions. Low resistance and improved turns ratio help to produce up to 45,000 volts. This higher voltage enables you to run larger spark plug gaps for added power and better fuel economy. These coils are also compatible with most capacitive discharge boxes including our own Second Strike"
Is a 0.6 ohm coil the correct one for the Ignitor 2?
"Flame-Thrower II coils feature a very low resistance which make them the ideal coil for Ignitor II ignition systems as well as many other high performance ignitions. Low resistance and improved turns ratio help to produce up to 45,000 volts. This higher voltage enables you to run larger spark plug gaps for added power and better fuel economy. These coils are also compatible with most capacitive discharge boxes including our own Second Strike"
FEATURES:
- 45,000 volts.
- Available chrome plated or black for that "stock look."
- For use with inductive or CD ignition systems.
- Low 0.6 Ohm primary resistance.
- Legal in all 50 states and Canada. (C.A.R.B. E.O. #D-57-21)
- Limited 90 Day Warranty.
Thread Starter
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Fleet Mechanic
Joined: May 2017
Posts: 1,295
Likes: 29
From: Southern CA
I have a 3.0 ohm Flame Thrower coil that I was going to use with a Ignitor 1 setup & 4 pin relay to feed full 12 volts to the coil & ignitor 1. The relay will be triggered by the factory pink/brown resister wire from the ignition. This is why I need to run a 3.0 ohm coil and not the 1.5.
The more I think about it I am leaning towards the Ignitor 2 & a Flame Thrower 2 coil with 0.6 ohm primary resistance.
Is the part # 91261 the correct number for my 300 inline 6?
The more I think about it I am leaning towards the Ignitor 2 & a Flame Thrower 2 coil with 0.6 ohm primary resistance.
Is the part # 91261 the correct number for my 300 inline 6?
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