I'd like to give my 3.0 a little more juice, and here are my options:

Take my spare 3.5L pump, which reputedly is turned up a little, and adjust the governor to 3.0L specs (up).

Take my spare 3.0L pump, which has the proper governor setting, and turn up the fuel a little.

Which is easier (harder to screw up)? Seems the governor setting would take a Bosch shop who can do it on the fly/bench and the rack setting can be "trial and error" without significant risk to the engine.

Also, is there a difference between the "timing devices" aka: advance mechanism between the two? I can use the gear from either engine, just not sure whether the 3.5L had a more aggressive or less aggressive advance (or the same).

Last, I'm planning to use the 55-trim turbo from the 3.5L on the 3.0 engine. Does the slightly shorter intake (w/o ARV) present a problem connecting to the stock intake hose from the 603.960 or does it reach? Seems like someone here has done this already in a 124.

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Gone to the dark side

- Jeff