Ford ProCal post installation turbo behavior change?

[coverthawk]

Looking to see if this is "normal" or something linked to ProCal changes after installation.

I SWEAR before installation of ProCal on my Raptor, the turbo vaccum/pressure gauge would be somewhat evened out (at zero) during steady driving (speed not accelerating) and it would go negative (vacuum) if reducing speed by letting off the acceletator. It would move to positive during acceleration (even moderate acceleration).

Now (or this could just be me looking for changes), my turbo gauge almost always reads negative (vacuum) during all but hard acceleration where the gauge moves into the positive. This is happening in both Normal and Sport mode.

Anybody experience the same thing (or can confirm I am looking for a problem that isn't there)?

Thank you all in advance!

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[Johnkn]

Additional timing with the FP tune could account for lower boost required and high vacuum readings during stead state operation. That's why many have reported increased fuel economy under those conditions..

Check max boost a few times and report back. You should see an increase.

good luck

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