Been pretty quiet on here for awhile. But after CAI, catback exhaust, and HFC, I finally decided to get the Z tuned. Had been having what I figured was a loss of power bc of the bolt ons with no tune. Went last week and they couldn’t get the fuel they needed on pulls. My AFR’s were also extremely off. They diagnosed a failing fuel pump.
So took the Z home and replaced the pump with a walbro 255 and man did it wake her up. The butt dyno noticed the improvement immediately. Didn’t realize how much power I had lost.
Took it back today and got it on the dyno. 342WHP and they said their dump measures a little on the low side. Not too bad?
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