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Read my spark plug [pics]
#438783
08/15/09 12:19 PM
08/15/09 12:19 PM
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Joined: Dec 2006
Posts: 602
N.E.Ohio
pacifica
OP
mopar
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OP
mopar
Joined: Dec 2006
Posts: 602
N.E.Ohio
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So I raced my car Wednesday night and I took a plug out to inspect today.
Any opinions on how it looks like it running based on the pics?
There is a red color on the porcelin center that I am wondering about
Last edited by pacifica; 08/15/09 12:26 PM.
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Re: Read my spark plug [pics]
[Re: MR_P_BODY]
#438787
08/15/09 12:50 PM
08/15/09 12:50 PM
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Joined: Dec 2006
Posts: 602
N.E.Ohio
pacifica
OP
mopar
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OP
mopar
Joined: Dec 2006
Posts: 602
N.E.Ohio
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Quote:
You need to look down in the porcelin to see what its
doing
Mr P. The porcelin looks the same all the way down [identical from top to bottom]
The metal or ground inside looks slighty black with just a few small build up spots [very minor]
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Re: Read my spark plug [pics]
[Re: pacifica]
#438788
08/15/09 02:29 PM
08/15/09 02:29 PM
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Joined: Jul 2007
Posts: 1,682
Philadelphia
radar
top fuel
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top fuel
Joined: Jul 2007
Posts: 1,682
Philadelphia
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I'm no expert, but I'll give it a shot. Maybe it'll 'spark' a discussion featuring more experienced opinions. The plug looks decently clean, so I'd say you're close to a good tune. The rim looks slightly fuel or oil fouled- maybe you're pushing a little oil in there at WOT, but not crazy. The tip of the strap doesn't look like it is running quite as hot as you want, but hot enough to run pretty clean. No signs of leanness or detonation. OK, how'd I do?  radar
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Re: Read my spark plug [pics]
[Re: Quicktree]
#438790
08/15/09 04:17 PM
08/15/09 04:17 PM
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Joined: Jan 2003
Posts: 32,394
Quicktree
I Win
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I Win
Joined: Jan 2003
Posts: 32,394
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Re: Read my spark plug [pics]
[Re: pacifica]
#438796
08/15/09 09:08 PM
08/15/09 09:08 PM
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Joined: Aug 2003
Posts: 43,200
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,200
Bend,OR USA
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If it shines after several runs there is oil in the combustion chamber  Which will slow the car down compared to no oil in the chamber. I agree on the red color, probally fuel dye and being run a little rich at one time or another 
Last edited by Cab_Burge; 08/16/09 01:04 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Read my spark plug [pics]
[Re: 11secondC]
#438800
08/15/09 10:54 PM
08/15/09 10:54 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Ok so after reading all 3 links...the first link says ground strap shows heat range and the other 2 links say it shows timing...so which is it?
This is the internet... you might get some more ideas
BUT I've use the strap as a timing indicator... as
in the link I posted
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Re: Read my spark plug [pics]
[Re: MR_P_BODY]
#438802
08/16/09 12:10 AM
08/16/09 12:10 AM
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Joined: Jun 2009
Posts: 877
ky
68roadrunner
super stock
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super stock
Joined: Jun 2009
Posts: 877
ky
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Quote:
Quote:
Ok so after reading all 3 links...the first link says ground strap shows heat range and the other 2 links say it shows timing...so which is it?
This is the internet... you might get some more ideas
BUT I've use the strap as a timing indicator... as
in the link I posted
i also use the stap to check timing. on gas that is. iam getting ready to run my fist alky motor, how will this affect it?
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