Author Topic: Autolite Bosch Denso Champion NGK etc  (Read 4042 times)

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Offline Cut4fun .

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Offline srcarr52

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #41 on: August 28, 2014, 05:10:21 pm »
I've had many hot start and no start problems with Bosch WSR6F and WSR7F plugs in ported Husky 394's.  I switched to Bosch plugs and haven't had a problem since.

Offline mdavlee .

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #42 on: August 28, 2014, 06:47:05 pm »
I've had many hot start and no start problems with Bosch WSR6F and WSR7F plugs in ported Husky 394's.  I switched to Bosch plugs and haven't had a problem since.

Which Bosch did you switch to?

Offline 660magnum

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #43 on: August 28, 2014, 09:50:04 pm »
I have more chainsaws with NGK plugs than Bosch but have not had trouble with ether.

I don't change out from one or the other just over the brand name. But I do change the non resistor and non extended tip plugs to ones that are.

Has to be BPMR6A or WSR7F in my 14mm engines. The 10mm are NGK CMR6H. I also have model airplane engines where I use the NGK BPMR6F which is the tapered seat version of the BPMR6A. I also use the NGK CM6 with a resistor in the RF shielded cap. The CM6 (Honda Generator plug) is a short reach version of the CMR6H. I also use two different versions of 1/4-32 threaded spark plugs one is made in China and the other in USA.

I have a Defibrillator is the reason for the "R" plugs.
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Offline Cut4fun .

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #44 on: October 14, 2017, 10:38:53 am »
Watch those NGK's. Seen some folks talking about more troubles with them.
I gave them up while back after a bad batch.


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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #45 on: October 15, 2017, 08:58:46 am »
Another ngk shown  :o




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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #46 on: October 17, 2017, 09:40:13 am »
poleman just showed a bosch. Trying to find out if china made one or not

pics


Offline Cut4fun .

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #47 on: October 17, 2017, 10:04:29 am »
Husqvarna dealer said he sells thousands of plugs a year. Oregon sparkplug made by Torch in china.  Said oregon covers parts and labor from any damage caused by a plug.   :o

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #48 on: October 19, 2017, 10:52:58 am »
Dealer in the CR group just showed one of the oregon plugs that did the above. He said they oregon covered all parts and labor due to plug damage.   8) :o

pics of oregon spark plug and damage





Offline 660magnum

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Re: Spark Plugs Bosch Denso Champion NGK etc
« Reply #49 on: October 19, 2017, 02:43:33 pm »
The Torch  spark plugs that came in Chinese model airplane engines 10 yrs ago were not very long lasting. The ceramic wasn't pure and would short out in just a few runs.
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