Quote:
Originally Posted by MSU120
The procharger has arrived. The question is: Which plugs do I run? The install manual seems to say two different things. It says go one step cooler and then recommends the NGK 6510 (for most applications). I’m hearing and reading the 6510s are two steps cooler. Do I go 6509s? I’m also seeing people on here using 6510s still though. Note: I will be running prochargers tune for a while.
Thank you all.
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Street 6509
Road racing or drags full time 6510
Mix 6509
Gap 0.040