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- - 07 4.0 Chip (https://www.chryslerforum.com/forum/chrysler-pacifica-15/07-4-0-chip-16096/)

aricker74

10-28-2011 03:24 PM

07 4.0 Chip

Has anybody chipped the 4.0 6speed. Would like to know how good the MPG is with it. MFG is claiming 3 to 8 more MPG and up to 75hp.

CHRYSLER TECH

10-28-2011 05:01 PM

basic physics says u can not get more MPG and HP at the same time
its trade off if that was teh case we all would have 1000 hp engines and getting 100 mpg

aricker74

10-29-2011 07:56 PM

If you were to get more HP would it not take less fuel to pull.

CHRYSLER TECH

10-29-2011 09:45 PM

how do u think u get HP? U get it from doing 2 things one changing the compression in the engine by replacing pistons cams and all that kinda good stuff.
Or u add more fuel which is what the chip will do. as i said basic physics

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