Quote:
Originally Posted by Brentis
Just installed v401 vs v301 and it feels great. Feels like peak hp may be a bit better, but more importantly, it doesn't drop off like it felt like with v301.
Would love to see a dyno comparison of v301 vs. v401 vs. v401 + FMIC
Also makes me wonder if replacing the diverter valves would be a worthwhile? Had the Bosch spring ones replaced in my Cayenne turbo for piston one's and it made the engine hold boost longer and recover much faster. Thinking with the increased boost, the stockers could be getting close to their limit.
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You can log requested boost, actual boost and WGDC to see if things are as they should be. If they look wanky then you may have issues with the DVs but they seem to be pretty robust and not a lot of people have problems with them(but some do.)