Quote:
Originally Posted by Lawnik
In my opinion it's high RPM. At least with subaru boxer engines.
Sources Crawford, Element and Dezoris
Maybe that's why I haven't experienced the heat soak issues. I reduced my redline indicator to 6800 and at the track shift just past it or at the most 7200. It's no faster revving it higher and doesn't promote ringing the engines neck every gear.
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I mentioned the same thing earlier in this thread and frankly it's the only reason I have not yet chosen a solution. I would like to move my rpm range at the track from primarily 6-8K (tune raised limiter) down to 5-7K if I can get the power band to match. This would significantly reduce the chances of having valvetrain failure. Many corners would be taken one gear higher and overall less shifts would be involved at most tracks. Additionally the PD low rpm performance is much more engaging for daily driving.