Quote:
Originally Posted by DTR FTW
"The Gain setting controls how fast boost pressure rises during spool-up."
First line of the Gain portion of the GFB instructions lol! Follwed by
"NOTE: the gain setting requires a target “peak” boost to be set up in duty cycle. If you adjust duty cycle without performing a boost run, the target boost will be 0 and gain will not function.
Gain is adjustable from 0-100, where 0 gives a factory-like spool up, which is basically the “natural” rise rate of the
turbo system. A setting of 100 will attempt to make boost rise as fast as the turbo system is capable of by
delaying the opening of the wastegate."
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The bold part is important or changing the gain settings do nothing. Be careful not to set to aggressively or you will spike the boost higher than it's set up for.
And if you think under 4k is "relatively late in the power band" I don't think turbos were the right choice look at all the dynos sheets 4k is where the party is just getting started 5k+ is where all the power comes in hard