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all and all said all teh cars U mentioned used a Mass air flow sensor and can be tuned with tweaking and sensor change or what ever mooders do or use.
Chrysler dodge and Jeep use speed density math equation to tell the computers how long to fire a spark plug and turn on the fuel injector. The computer will always want to get to 14.7 to 1 air fuel mix which is the best for internal combustion chamber engines. SO no matter what U do externally to an engine the computer will simply ADJ it back to what it wants plus or minus 33% fuel.
OK, well I guess my findings and my posts are not wanted here. The answer to your question 15951a\, the auto manufacturers care about one thing, the bottom line. Why would they put a $10 plug in a car when they can buy a $2 plug in bulk for about $.30? They dont care about a few miles per gallon versus price. Even so, the markup for parts goes something like this: They pay $10 for a high end plug, and we pay $1000 for them with the markup. Thanks for deleting my posts all. I guess I'll leave the Chrysler forums and be a sheep like everyone else and buy crappy j-wire plugs........who am I kidding! I gave you guys legit numbers and all I get was this. Nice.
Chrysler dodge and Jeep use speed density math equation
Chrysler corp ignition systems are extremely PICKY about what you use for spark plugs....
As for Bottom line...YOU ARE COMPLETELY WRONG.....
Not just Chrysler, But any Automaker...An increase in fuel economy earns them REWARD POINTS with the government...So Regardless of cost, it would be of a benefit to spend the extra money on the more expensive plugs, Considereing it gets written off in the end.... PROVIDED the plugs attained the benefit that they claimed....
If I could Increase HP , and Fuel Efficiency, and still fall under the emmissions Limits, Without redesigning Engine Subsystems.....WHY WOULDNT I?
__________________ Professional Mechanic since 1985, Chrysler Dealership Technician since 1999.
We aren't ALL thieves, We're Just trying to make a living like everyone else , So Have A Heart.
If You wanted Dealership Service, You wouldnt Go To "Discount Quik Lube" , So why did you Walk into a dealership Expecting QUIK LUBE PRICING????
Ma'am, It costs so much money, because ...I CAN, And you CANNOT, And It matters Not to Me, Because I HAVE A RIDE HOME.
3/36 Does not mean 3 years and a day, or 36,001
sorry one of my jobs on this forum is to delete spam and well u were 100% spam U have no help to any one on here what so ever. U dont even own a Chrysler product that u can add into the mix. U tell me why u would come to a web forum about Chrysler cars and promote spark plugs ??? humm spam