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Author: Subject:  Sparkplug question
MemberStanley
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posted on January 23rd, 2007 at 07:17 PM
Sparkplug question


The TAT turbo is not far off being fired up. With the addition of a turbo should I be running colder plugs?

Anyone got any particular suggestions?

Thanks guys and girls
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posted on January 23rd, 2007 at 09:02 PM



Hi Andrew,
My 1775cc blower engine used one step colder than stock.

I would not be afraid to run 2 or 3 steps colder on your engine
being that it is petrol based fuel rather than methanol.

A hot plug can deteriorate if it is too hot, where-as a cold plug will at worst, foul if it is a little rich.

A modern ignition will fire cold plugs, even if they are imersed liquid,
so in that case I would go for the 9 series in NGK.

Being that you have just a stock 009, I would go for a 7 or 8 in NGK.


I am sure you will get heaps of opinions on this.




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Originally posted by westi
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MemberStanley
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posted on January 24th, 2007 at 07:33 AM



Quote:
Originally posted by dangerous
A hot plug can deteriorate if it is too hot, where-as a cold plug will at worst, foul if it is a little rich.




Thanks Davo, Thats what I had heard. Just wasn't sure how cold I could get away with. Will try one colder and go a B7HS.

[ Edited on 23-1-2007 by Stanley ]


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