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Originally Posted by chee
jdm do. yours would be limited to under 250.
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All Aus V6 STI's were delivered limited to 180 Chee.
The speed cut lifter used at the time for track cars was through Prodive (same as fitted to Prodrive P1's).
It intecepts the Speedo transducer signal signal between the
ecu and cluster (cluster is fed directly from the transducer) only so the
ecu thinks the car is doing 160, whilst the speedo is free to read correctly.
Interesting that from 0-160 the de-limiter does nothing because the
ecu will go into limp mode (wastgate pressure) if it see's no input from the speedo transducer at all.
The de-limiter allows the signal to pass through untouched from 0-160, then from 160 kph and up it holds the signal at the value for 160. Quite a clever little box!