A little disappointed...LS1+228R+PRC Stg 2.5 5.3s+FAST92 = 421/391
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Latest dyno sheet from yesterday. I got a fresh tune from a different guy and driveability is much improved. His in-car wideband when he was tuning it was a consistent 12.6-12.8.
I have seen claims of 470rwhp out of this combination but I don't see how unless there's a lot of trickery involved.
I have seen claims of 470rwhp out of this combination but I don't see how unless there's a lot of trickery involved.