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And what was their test procedure? OEM ecu reset? Simple swap? There is a lot of bits that could be bad.
If for example you ran the dyno on a car that did not have a freshly cleared IAM it would be at 1.0 advancing the timing slightly. If you swapped the intake and reset the ECU the timing would be pulled back. I have been tied up but I am hoping we can actually do some before & after dynos of a TRD soon.
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