How does my spark plug look?
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Supreme Member
Joined: May 2003
Posts: 1,995
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From: Toledo, OH
Car: 1992 Firebird
Engine: forged 357
Transmission: 700r4, 2200-2400 stall, vette servo
Axle/Gears: stock pegleg 2.73 drum (temp)
How does my spark plug look?
rich? lean? good? not enough info?
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Joined: Jul 2005
Posts: 477
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From: Manchester: UK
Car: Was 3rd Gen now MustangGT
Engine: 302
Transmission: Auto
Axle/Gears: 3:73:1
Looks ok in the picture.
Years ago when leaded petrol was the norm, a brown colour was the one to have, white being too, lean and black being too rich.
Using unleaded its more of a white but with a little hint of brown.
Jeez hard to describe or what.
Years ago when leaded petrol was the norm, a brown colour was the one to have, white being too, lean and black being too rich.
Using unleaded its more of a white but with a little hint of brown.
Jeez hard to describe or what.
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