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falcon1999 |
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What's wrong with these plugs?
There is black soot (carbon?) build up around the tip. Attachment: Attachment: Attachment: Attachment:
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FLASH |
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Um dude, retake the photo's in macro function on a decent camera and we'll tell ya.
Can see much past the blur, they look a little to hot to me, although hot and black dont go together. Is the black on the centre electrode, ground electrode, thread?
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Krytox |
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meh, they're brand new.
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falcon1999 |
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The car is stalling when you switch from Petrol to LPG while the engine is still running.
I thought it might be the spark plugs.
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Krytox |
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Hold the rev's up when changing, its a pretty hard task to change from liquid to vapor with 500rpm to spare.
Or change when in motion.
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falcon1999 |
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Yes, I do that and it works.
However it didn't do this before. It only happened once I took it to Automasters so I was suspecting it was the plugs.
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krisisdog |
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Did they change the plugs?
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falcon1999 |
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Yes, Automasters changed the plugs to Bosch Super Plus.
So I went to Titan Ford today and bought genuine Motorcraft/Denso Spark Plugs. It is still stalling when I switch from petrol to LPG.. BUT when I start the car on Petrol there is a much stronger and solid (better) starting sound with the genuine plugs.
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-GAS-MAN- |
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Read here, under spark plugs: http://www.fordmods.com/ford-4l-and-6-cylinder-f1/great-reads-t78685.html
Problem solvered
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