Spark gap

[stv92]

Im running a 260 digital ecu on my stv

Going to change plugs
NGK BR9HS-10

What gap setting would be the best?

Jeff:)

[FAST RALLY SPORT]

I'm think they come pre gap at 35.

[perfmarine1]

yea the 10 is factory gap is 0.39in or.10mm Not sure what would be best gap for that set up check with Jay Smith at JSRE

[Jay Smith]

I've been having great luck setting those 9's and 8's at .040"

Jay