Quote:
Originally Posted by OrbitalEllipses
A little disingenuous to attribute all of that to the header Mike, c'mon. The combination of a pro-tune and header resulted in the ~100hp gain over as assumed baseline of 175hp peak. The CARB tune gives you what, ~50-60hp? Assume 20hp for each the tune and header - though I would caution that the biggest changes the tune makes will be in the shape of the curve rather than the height of the curve.
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I'm saying the combination of the header AND tune. You can't just throw on the header; the CARB tune will probably freak out and go into limp from the drastic change in VE.
The CARB tune was good for a 70whp gain. From 4500-6500 RPM, the HKS header + tune doubled the gains. After 6500, the gains plateau on the header + tune, and below 4500, the torque dip elimination overshadows the gains from the HKS header + tune.
Don't focus too much on peak numbers. You're only at the peak for an instant. Rather, focus on the overall power gain.