jdm 7mgte more power than usdm gte?????????

cre · 11-13-2009, 05:47 PM

Aside from the lack of the EGR system and the tuning to make up for it there is reportedly no difference. Toyota's published numbers are the same for all models of 7M-GTE engines of the same year. There is a guy over at SM who is reverse engineering the ECU though and has found that both the JDM and USDM maps are present in the N/A's ECU... no word yet on the Turbo's ECU. But, this does mean we may have the chance to test them out ourselves with the addition of one resistor. Even if the GTE's ECU doesn't contain both, I'm sure he'll publish the fuel and timing tables of each for comparison... should be pretty cool.

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11-13-2009, 05:47 PM	#3
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Aside from the lack of the EGR system and the tuning to make up for it there is reportedly no difference. Toyota's published numbers are the same for all models of 7M-GTE engines of the same year. There is a guy over at SM who is reverse engineering the ECU though and has found that both the JDM and USDM maps are present in the N/A's ECU... no word yet on the Turbo's ECU. But, this does mean we may have the chance to test them out ourselves with the addition of one resistor. Even if the GTE's ECU doesn't contain both, I'm sure he'll publish the fuel and timing tables of each for comparison... should be pretty cool.