yes its a 603.
AFAIK there is only 1 line that goes to my ALDA, and that line comes from the overboost solenoid, which has a line going directly to the manifold.
... the ALDA, when triggered by enough pressure (boost) just supplies more fuel to the IP correct? so by disconnecting the boost line i'm not allowing the ALDA to supply that extra amount of fuel. If on the other hand vacuum is "somehow" applied to the ALDA... then wouldn't that just be the same as having the boost line to the ALDA disconnected?
why then do i have better performance?
how can an IP be misadjusted? aside from the usual calibration, what else can be manipulated/altered?
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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project