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rmay635703 · 11-01-2009, 08:06 PM

The thing of this I would like to see published and documented would be modifying your ECU/ECM code to lean your motor toward stoich once in you cruising area.

I see many sites claiming to discuss it and a few with free software but really there isn't any real help to guide people into ECU modification.

I would love to lean out my parents 93 350 Suburban but can't find the amount of information I would like on the endevour.

Same is true of the OBDII vehicles like our Buick and my Dodge v8.

Apparently the ECU can change shift points, lockup and mix on most vehicles, providing a means for the masses to do this more easily would be an excellent ecomodding diy addition.

Anyone have any tips on how to redue a 93 350gas suburban ECU to lean out once up to cruising speed like its euro cousins? Same thing on that 98 3800 buick, Many motors actually are not setup to approach even stoich most of the time, I would estimate for ecomodding purposes moving toward stoich especially at the steady state areas would help FE greatly.

Any comments?

11-01-2009, 08:06 PM	#134 (permalink)
rmay635703 home of the odd vehicles Join Date: Jun 2008 Location: Somewhere in WI Posts: 3,891 Silver - '10 Chevy Cobalt XFE Thanks: 506 Thanked 867 Times in 654 Posts	The thing of this I would like to see published and documented would be modifying your ECU/ECM code to lean your motor toward stoich once in you cruising area. I see many sites claiming to discuss it and a few with free software but really there isn't any real help to guide people into ECU modification. I would love to lean out my parents 93 350 Suburban but can't find the amount of information I would like on the endevour. Same is true of the OBDII vehicles like our Buick and my Dodge v8. Apparently the ECU can change shift points, lockup and mix on most vehicles, providing a means for the masses to do this more easily would be an excellent ecomodding diy addition. Anyone have any tips on how to redue a 93 350gas suburban ECU to lean out once up to cruising speed like its euro cousins? Same thing on that 98 3800 buick, Many motors actually are not setup to approach even stoich most of the time, I would estimate for ecomodding purposes moving toward stoich especially at the steady state areas would help FE greatly. Any comments?