Thread: Boost reading
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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,274
You put on a bigger turbo, it's gonna make more boost.
The origonal boost gauge is not accurate at 1bar so you need to put an aftermarket mechanical boost gauge that goes to 1.5 or preferably 2bar on it or permanantly in the car to know how much boost your making.

The overboost sender disconnects the white wire to ground around 1.3bar depending on how old and tired it is, and the overboost circuit with yellow relay in back doesn't do anything to the ignition, it disconnects the fuel pump relay grounds shutting off the fuel pumps.

The factory revlimiter relay under the driver seat shuts off the ignition around 7200rpm.
Old 03-14-2010, 08:08 PM
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