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  #1  
Old 09-11-2017, 09:16 AM
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W123 200 Electronic ingnitor and spark plugs

Hi,

recently I've installed the pertronix electonic ignition with High performance coil by torquemaster.

As far i know, it should increase and improve the performance and even improve the overal quality of combustion and....IT IS REAL!!

- More performance
- More acceleration,
-more stable on idle
- Less consume

What about special spak plugs such as Torquemaster, Pulstar, Brisk etc...?
Does anyone had experiences with it?
What's your suggestion?

Thanks
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  #2  
Old 09-11-2017, 10:40 AM
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Location: Tucson, AZ
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It does the laundry, walks the dog and waxes the tires while you drive.......

Let's not get too carried away with your expectations. Yes, the Pertronix is a great upgrade but it isn't going to add 20 horsepower to your engine or magically double your mileage. What it will do is reduce, if not eliminate, the "flutter" caused by the Kettering points originally installed on your car.

It is a magnetic switch which gives a more consistent signal to the ignition coil. It won't cure a worn out distributor, bad vacuum advance diaphragm, dilapidated plug wires, vacuum leaks, worn cylinders, improper fueling, etc.

Standard spark plugs are perfectly adequate and any "performance" plugs are a waste of money. NGK BP6ES are the plugs I use.

Been running the Pertronix for three years in my M110 and M115 without any problems using the standard coil. It does seem to "smooth" out the engine and operate more consistently than the original set-up.

I recommend rebuilding the distributor (bushings, seals, advance mechanism, etc.) to get the full value of the upgrade.
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  #3  
Old 09-11-2017, 11:17 AM
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Quote:
Originally Posted by Mike D View Post
It does the laundry, walks the dog and waxes the tires while you drive.......

Let's not get too carried away with your expectations. Yes, the Pertronix is a great upgrade but it isn't going to add 20 horsepower to your engine or magically double your mileage. What it will do is reduce, if not eliminate, the "flutter" caused by the Kettering points originally installed on your car.

It is a magnetic switch which gives a more consistent signal to the ignition coil. It won't cure a worn out distributor, bad vacuum advance diaphragm, dilapidated plug wires, vacuum leaks, worn cylinders, improper fueling, etc.

Standard spark plugs are perfectly adequate and any "performance" plugs are a waste of money. NGK BP6ES are the plugs I use.

Been running the Pertronix for three years in my M110 and M115 without any problems using the standard coil. It does seem to "smooth" out the engine and operate more consistently than the original set-up.

I recommend rebuilding the distributor (bushings, seals, advance mechanism, etc.) to get the full value of the upgrade.
Fantastic explanation MIke!!! Many thanks. I'll save the money for other things to fix! Thanks
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  #4  
Old 09-11-2017, 12:13 PM
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Join Date: Nov 2004
Location: Ontario, Canada
Posts: 3,190
Quote:
Originally Posted by Mike D View Post
Let's not get too carried away with your expectations. Yes, the Pertronix is a great upgrade but it isn't going to add 20 horsepower to your engine or magically double your mileage. What it will do is reduce, if not eliminate, the "flutter" caused by the Kettering points originally installed on your car.

It is a magnetic switch which gives a more consistent signal to the ignition coil. It won't cure a worn out distributor, bad vacuum advance diaphragm, dilapidated plug wires, vacuum leaks, worn cylinders, improper fueling, etc.

Standard spark plugs are perfectly adequate and any "performance" plugs are a waste of money. NGK BP6ES are the plugs I use.

I recommend rebuilding the distributor (bushings, seals, advance mechanism, etc.) to get the full value of the upgrade.
Agree 100%!

I have Pertronix Ignitor I, along with original Bosch coil and switchgear, Bosch wires and at present NGK BP6ES. (working perfectly since 2008). Refurbished distributor mechanical advance, but not bearings because they are good on original and spare.

Bought a Flamethrower coil, but never installed. More as back up in case switchgear ever fails and I want to use bypass option.

Using Pertronix I as points replacement only is inexpensive and compensates for slight distributor wear plus gives steadier spark. And you never have adjust points again!
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85 300D14 GLK250,72 350SL, 98 E320
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  #5  
Old 09-11-2017, 12:26 PM
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And I also have been using the SAME spark plugs I originally installed when I switched to the Pertronix. Before, using the original switch gear, I would need to replace plugs annually if not sooner.
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  #6  
Old 09-12-2017, 12:38 AM
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Originally Posted by Mike D View Post
And I also have been using the SAME spark plugs I originally installed when I switched to the Pertronix. Before, using the original switch gear, I would need to replace plugs annually if not sooner.
Interesting. I have changed plugs just three times in 27 years! Or probably about once every 10k miles. Wide band AFR gauge helped get mixture right which avoids fouling plugs, it seems. Car ran well even with Bosch resistor plugs. Was given the NGKs, so now running with them.
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85 300D14 GLK250,72 350SL, 98 E320
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  #7  
Old 09-25-2017, 02:05 PM
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Here the engine running at 740rpm (the noise is the steering pump):

https://www.youtube.com/watch?v=KfTfolHCwu4
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