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Old 05-03-2003, 05:39 PM   #1
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Default Which Glow Plug to Use for MR-12?

I need help in choosing a glow plug for my MR-12?
Which should I use for the following factors:

1). Running 20%, at temperature ranging 17-24 Celsius(62.5-75.2 Fahrenheit
2). Running 20%, at temperature ranging 25-32 Celsius(77-89.6)Fahrenheit
1). Running 15%, at temperature ranging 17-24 Celsius(62.5-75.2 Fahrenheit
2). Running 15%, at temperature ranging 25-32 Celsius(77-89.6)Fahrenheit

If people could suggest a Novarossi glow plug for each factor that would be great.

Thanks

Sami
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Old 05-03-2003, 05:46 PM   #2
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Default Re: Which Glow Plug to Use for MR-12?

Quote:
Originally posted by ttektek
I need help in choosing a glow plug for my MR-12?
Which should I use for the following factors:

1). Running 20%, at temperature ranging 17-24 Celsius(62.5-75.2 Fahrenheit
2). Running 20%, at temperature ranging 25-32 Celsius(77-89.6)Fahrenheit
1). Running 15%, at temperature ranging 17-24 Celsius(62.5-75.2 Fahrenheit
2). Running 15%, at temperature ranging 25-32 Celsius(77-89.6)Fahrenheit

If people could suggest a Novarossi glow plug for each factor that would be great.

Thanks

Sami
Well I don't know much about Rossi plugs but MC59 plugs are a good plug for a wide temp. range.
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Old 05-03-2003, 10:06 PM   #3
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Novarossi no. 5 should work good with the type of fuels your are using. Mcoy mc59 work good too.
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Old 05-03-2003, 10:25 PM   #4
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I tried a #6 (average) turbo plug with 30% nitro (Trinity Horsepower Fuel) with MR 12 Turbo, runs hot but cooler than #5 (hot), the engine makes a crackling noise while on idle, I might switch to a #7 (cold) just to be on the safe side, that noise could be detonation. God these turbo plugs are expensive!!!
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Old 05-04-2003, 12:12 AM   #5
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My MR-12 has standard plugs.

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Old 05-04-2003, 12:52 AM   #6
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i've used the stock plug and an OS 8 plug, both great. Absolutely no problem with either,so I would say from my experience OS 8 is a good bet (because you have low odds if your betting on getting the stock novarossi plug ). Mc 59's are very similar to OS 8's, but they are slightly more prone to deforming under heat and pressure so that the coil is a little bit more in the body of the plug then when it came from the factory. Even though, it is still a good plug, especially for the price.
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Old 05-04-2003, 09:00 AM   #7
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I would say a good hot plug such as the MC 59. The OS #8 is a good plug but the MC59 would be a better choise if you are running low nitro (15%)
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