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Discussion in 'High Performance Modifications' started by harkz28, Nov 23, 2017.
'm going to attach a picture of some spark plugs can you tell me if I'm running too lean or okay.
On the lean side. I can’t make out the color
on the bend. When timing is correct the color change
will be at the bend.
Doesn't seem to be really lean otherwise they'd be bone white, being rich is better than being lean but neither is correct. FYI a performances built engine likes being rich or needs to be rich to run well.
Can you post a side shot of the ground straps?
Should look something like this.
Post a close up pic of the ground strap ant the bend !!!
Read this link ..... http://www.4secondsflat.com/Spark_plug_reading.html
This will give you all the info you'll need to properly read your plugs and how to adjust for better performance
If that isn't after a WOT run & shut off clean it won't tell much.
If it's after just cruising it's fine.