Alright when I got my motor it came with autolight 24 plugs in it I was told this was a plug for a car which ran mostly at the track with lost of spray on it . NOw I have been running more srteet than at teh track ant more so off the spray . I curenty set up for a 150 shot what would be a better plug should I try something like Autolight 25 or a bit hotter plug

 

bump any help