Originally Posted by
JEFASOLD
Where did you get 25 lbs of boost? I am running 181 crank and 70 mm SC pullies and I don't get 25, actually about 22 and I was not running lean with just the SL55 pump and adj. regulator. Did you verify that you were running lean or taking a guess?
I am running 185/65 stacked & 25 lb boost. I needed the 550 inj to get rid of my lean condition
installed a killer chiller this winter but haven't tested it on the track yet