First thing, for those who sent something to HRC, i.e. fpr, how long did it take to get an answer or money or a new fpr back?

second,
when idling in park or neutral, my rpms fluctuate by about 100, it correlates to the a/f.. when the a/f goes red, my rpms drop and when the a/f goes green the rpms go up 100.. is that normal? It does that in drive too, but to a much lesser extent. (Its a standard autometer blinky gauge)

Nate

98 GS
HRC stage I
Auto

my best guess is that the fuel pressure is not adjusted right. HRC's fpr has the tendency to fluctuate (mine does all the fucken time) It should be between 55-60 at idle and when I'm boosting 5-6 psi I have it at about 80-85. But somehow at idle it seems to find it's way to 65-70 at idle, how? I don't know, but I am very unhappy with that damn fpr.

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