Downpipe questions

[FreePenguin]

Spark plugs are a 5k mile check at minimum. No need to change, but possible regap.

Those gaps open up fast. Mine went from .026 to .030 in 6k miles.

Keeps you on your toes for maintenence.

im on 25k on my ford perf plugs oem, havnt had any stutters or anything. should I be checking them? I was assuming 100k interval, but I will change them at 50k.

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[Chef jpd]

Couldn't hurt to check them.
The gaps open up fast. Car will still run at a 0.032 gap, but runs much better at 0.026- 28

 

[FreePenguin]

changed my mind on some things, made a new thread. I cant figure out how to delete this.

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