I think in his response he said he cracked plugs 2 days after installing a jb4. I dont think theres an assumption there? Am i reading it wrong?
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Hamad Alabbasi6 hours ago
And what is if i leave the gap on original .28

Tork Motorsports3 hours ago
Nothing will happen unless you install a piggy back.

Hamad Alabbasi3 hours ago
@Tork Motorsports thanks.. and i have installed jb4 over the factory plugs and after two days i had a misfire and 3 plugs was damage a little bit.. now should I install the
hks m40il or
m45il?

Tork Motorsports27 minutes ago
If you live in a very hot climate, run the 45's... mild to cooler climate run the 40's. Sorry to hear that you had a damaged plug with the tuning piggy back. Let us know when you want to run a proper ECU tune."
Stock
Spark Plugs are gapped from 0.034-0.036 so he would have had to of gapped them already once.