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What causes this?

   
Old May 16, 2012 | 05:47 PM
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89newfun
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From: D Heights, Mi
Car: 1989 Camaro
Engine: Sbc 355
Transmission: TH350
Axle/Gears: 3.42 Detroit locker
What causes this?
What could be the reason for the greenish ring around my spark plugs. Here is an image of what I see. Engine is a tbi 305. It does have headers, but I dont hear them leaking out.
Attached Thumbnails What causes this?-img023.jpg  
Last edited by 89newfun; May 16, 2012 at 06:17 PM.
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Old May 17, 2012 | 09:41 AM
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G-reg
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From: Manitowoc, WI
Car: 90 Camaro
Engine: 350 tpi
Transmission: t56
Axle/Gears: 4.10
Re: What causes this?
Moisture and the copper in your spark plug wire cause that green corrosion.
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Old May 20, 2012 | 03:33 PM
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89newfun
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From: D Heights, Mi
Car: 1989 Camaro
Engine: Sbc 355
Transmission: TH350
Axle/Gears: 3.42 Detroit locker
Re: What causes this?
So everything is ok with them. I was thinking that a leak or something from headers.. or to hot running of a plug or something like that.
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