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Epoxy Or Oil Filled Ignition Coil?


Best Answer mini13 , 26 November 2017 - 04:08 PM

Ive not used that dizzy, but have used the TDC123 dizzy which was also programmable, the TDC could work with either the balast or non balast coil so 1.5 or 3 ohm. you just had to check the car was balast or non balast.

 

on balast cars the coil is i.5 ohm and fed from a pink wire that has built in resisitance. to be honest the wire can be troublesom and personally I would eliminate it and run the 3 ohm coil.

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#1 Alfredo26

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Posted 26 November 2017 - 12:26 PM

Is there a massive difference in performance? I'm not sure. Any advice on choosing a good powerful / reliable coil would be good.

Cheers Alfie

#2 nicklouse

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Posted 26 November 2017 - 12:55 PM

cant say i have come across any epoxy ones. the main thing it to make sure the one you get is the correct one for your ignition system. as there are three possibilities for the OE set ups.



#3 mini13

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Posted 26 November 2017 - 02:20 PM

I've used the aldon epoxy ones and they are good, the epoxy filled ones are aimed at durability and marketed as for off road use, bear in mind most old cars have the coil on the body rather than the engine, so the epoxy one is a good idea. Also modern coils are all epoxy as far as I've seen.

#4 Alfredo26

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Posted 26 November 2017 - 03:47 PM

I will be using a 59D CSI dizzy with 8es ngk spark plugs. Engine is a 1340.

#5 mini13

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Posted 26 November 2017 - 04:08 PM   Best Answer

Ive not used that dizzy, but have used the TDC123 dizzy which was also programmable, the TDC could work with either the balast or non balast coil so 1.5 or 3 ohm. you just had to check the car was balast or non balast.

 

on balast cars the coil is i.5 ohm and fed from a pink wire that has built in resisitance. to be honest the wire can be troublesom and personally I would eliminate it and run the 3 ohm coil.



#6 Alfredo26

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Posted 26 November 2017 - 05:08 PM

Okay that helps a lot. Thank you

#7 mini13

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Posted 26 November 2017 - 06:13 PM

No problem,

#8 Spider

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Posted 26 November 2017 - 06:54 PM

I will be using a 59D CSI dizzy with 8es ngk spark plugs. Engine is a 1340.

 

Just be sure your coil of choice has a resistance of 2.5 ohms or more.



#9 Alfredo26

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Posted 26 November 2017 - 07:15 PM

Okay brilliant, is that just to ensure there is a big enough spark?

#10 mikal

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Posted 26 November 2017 - 09:13 PM

I have an ancient GT40 coil on my car and it works fine (electronic ignition)  It's been on at least 3 of my cars that I remember and is possibly 30 plus years old. They are still available. 



#11 Spider

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Posted 27 November 2017 - 04:26 AM

Okay brilliant, is that just to ensure there is a big enough spark?

 

No. It's so you don't burn out your CSI Distributor!



#12 mini13

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Posted 27 November 2017 - 11:41 AM

As above the dizzy should be working with about 3 ohms total, so either the resistive wire and a 1.5 ohm coil, or a 3 ohm coil.

From recollection the tdc123 could cope with more, but the coil would eventually give up, but that was using std ballast coils.

Also I seem to remember having the resistive wire and a standard coil and the damn thing wouldn't idle, and ran rough, so presumably not enough spark.

Generally the ballasted system gives somthing near 9volts at the coil feed when running




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