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Discussion Starter #1
Hello guys, I have a few questions.

GQV 2010.god. (235hp 340nm)
-downpipe
-bmc

1. The first pass on the dyno was with a lit o2 probe and a stock map. (some GQVs had a restrictive map)
206hp 306nm

2.After typing a new map and decat, I got 241hp 365nm

Tuner tried to raise a little more pressure, but the power went down ??

The only anomaly we noticed was the spark plugs near the end of the rpm.

Everything was measured in N mode because it is dyno 2wd.

Any idea ?

 

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Discussion Starter #2
I doubt the high pressure pump and its not good timing.
Btw exhaust manifold wants to get red hot..
 
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