 Plug Pics, Good or too lean? |
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| pbanders |
 Nov 15 2016, 01:24 PM
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#1
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Senior Member  Group: Members Posts: 939 Joined: 11-June 03 From: Phoenix, AZ Member No.: 805  |
What's your take? Approximately 2500 miles on these plugs. Car is running great, good power, good economy, doesn't seem like it's getting too hot. CO is set to 2.5% at part load. From what I can see, they look good but on the lean side. Top row is cyl 1, 2, bottom row is 3, 4. Ignition is a Crane XR3000 with a Crane PS60 coil.
I'm inclined to leave it as it is.  |
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| stugray |
Nov 15 2016, 03:34 PM
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#2
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Advanced Member Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
One thing to keep in mind when deciding to check plugs: They will change rapidly depending on driving conditions.
They guys at the track that are serious about checking them will do a hard run, then shut the engine down as they coast into the hot pits. Then they either check them there or get towed back to the paddock. Just a few seconds of idle or casual driving can skew the results. Our plugs are such a pain to get to frequently, I rarely check them. I have an AFR & EGTs to help me instead. |
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Posts in this topic
pbanders Plug Pics Nov 15 2016, 01:24 PM
pbanders By this matrix, I'm too lean. Hmm, maybe I... Nov 15 2016, 01:33 PM Tbrown4x4 I think you answered your own question, but my air... Nov 15 2016, 01:43 PM
pbanders
I think you answered your own question, but my ai... Nov 15 2016, 02:27 PM pbanders Stu, agree, plugs can be misleading. I pulled thes... Nov 15 2016, 03:57 PM ConeDodger I've heard plug reading became obsolete with u... Nov 15 2016, 04:49 PM Tbrown4x4
I've heard plug reading became obsolete with ... Nov 15 2016, 08:05 PM 914_teener
I've heard plug reading became obsolete with... Nov 15 2016, 08:18 PM pbanders So, I have a MPS in the car that I'd removed t... Nov 15 2016, 09:22 PM pbanders Oh, I almost forgot. A shout out of "thanks... Nov 15 2016, 09:31 PM |
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