Sorry guys for the late reply,
Firstly regards, EGT
We do not increase any EGT limits. The manufacturer ECU from the engine still control the EGT. Therefore, if the temperature is getting too high, the ECU will decrease power automatically.
"The D4 has a hard drive that is constantly recording, much like an aircraft black box, we are warned of this in the drivers handbook."
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Yes, right. it's not just on Land rover, most of European maker has ECU a "black Box" will record over revs, max consistent speed, average RPM, etc....
But without error code there are no logs that you worry about, after our chip all original features of the engine will remain, and are not affected.
"in high ambient at slow road speeds (climbing hills) it is quite easy to approach high (650 to 700 C) upstream temps"
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True, if the car is in slow speed, the temps will increase very fast. But this also happen without chip. Again, if the temps are too high, the ECU will decrease power or if it is too hot, it will automatically move into limp-mode.
Thank you guys for questions and interests in Swisschip, we appreciate all of them. For quicker replies, please email us at
support@swisschip.com.au or simply call us :) cheers!:)