Posted by dmax4fun on January 05, 2010 at 05:26:10 from (67.55.168.183):
In Reply to: OT Duramax performance posted by 4010 puller on January 04, 2010 at 14:58:31:
A bigger intercooler will do nothing for your truck. Is your truck a lb7 or lly engine? The Enginge must be up to 165 degrees before the edge will work. Also the adaptive learning of the transmission will take some time to use the extra power when bumping up the power to level 5. Also go into the menu and check the low boost fueling option on the edge. If it is on the low side you will never see smoke. Put it up to 5 in this setting and you will see the off the line performance you are looking for. The 1-5 on the main screen have little effect off idle and the turbo will be spooled enough that you dont see the smoke on level 5. Low boost fueling is the key.
DO NOT let the trans shift into 5th gear when the main power setting is on level 5. There is enough added HP and torque that you will slip your trans almost instantly. Trust me.
The difference in the 03 and 04 getting that big a mileage difference will have more of an impact if the 03 is an lbz and teh 04 an lly. All teh duramaxes seem to get worse mileage at every change from the factory with all teh new government help and regulations.
Spend some time on dieselplace.com and you will have access to more information than you can imagine.
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