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Comments
ATC to replace the manual TC (might require some additional wiring and sensors?)
Automatic Headlights (I think they work in conjunction with the auto dimming mirror)
Autodimming rear view mirror ( dunno if this can be installed as I checked up in the overhead console and the additional wire like in my 05, did not appear - the liner has the hole for the wire but the wire I did not find?)
DRLs (switch to Canada code)
My calculations were 18.3 mpg and the car showed 18.5 mpg.
I seem to be getting 22 - 24 mpg consistantly on the highway.
I am quite interested in know the difference in mpg going 55mph, 60, 65, 70, and 75.
On a routine trip of 20 miles, the time to drive in those speed ranges spans just over 6 minutes difference, with 55mph taking 21.82 min and 75 mph taking 15.6 mins. But what is the cost difference in fuel efficiency? Does anyone know?
There is a lifetime warranty powertrain for the 07 if it's new. There has been some 07 that have had a shuddering or lugging problem at very low RPM's in 6 gear. Chrysler has replaced the Tourque Conveters and had a reflash on the TCM. For us this is the very best vehicle we have ever owned! The PAC is the biggest vehicle inside and outside over the Chrysler 300 or the SRT. The power of this 4.L engine ia amazing and so is the fuel mileags, we have reached a high of 27.3 mpg on a trip. For us thats fantastic. Hope that helps you...my opinion buy the 07.
farout
Are there any inexpensive upgrades to improve my mpg? I have found Hypertech ($379) and Jet Performance chips($320), a K&N filter, plus a bunch of items in Ebay that I am leary of. Has anyone tried these or anything else? Are there any cold air intake kits?
The only thing that could save you anything is the K&N filter, as the Chrysler one is about $20. and if you held onto the PAC eventually it would pay for it's self. I don't think these other so called gas savers will add engoug to pay for the cost in a million miles.
farout
Chips? I have a lot of experience with chips and tuning as I drag race and have spent a lot of time around dynos.
Here are my thoughts:
1 - You could absolutely get better mpg with the correct tune. The fact that the computer reads high, means that the car is running richer then the manufactur intended. In my case, I could probably pick up 2 to 3 mpg on my PAC. It will vary from car to car.
2 - Buying a chip or hand-held tuner with a "mail-order" tune will be a shot in the dark. The ONLY way to get this right is to put the car on a dyno to get the perfect tune. With a mail order tune, you might pick-up 1 mpg, loose 2 mpg, or mess-up the tune all togther and create problems. Pacificas are not exactly a car that people dyno a lot, and thusly, the data base is poor.
3 - A proper chip or hand-held tuner with a custom dyno tune will cost about $600.
4 - ONLY buy a reputable device such as a Diablo or SCT. Hypertech is "ok". Don't waste your time with anything else. A good tune cost money....PERIOD. If you have a local reputable dyno tuner that uses another product, that is ok too.
5 - I have an SCT 4 position switch chip. It allows me to have 4 custom tunes....so you can have tunes for different octanes of fuel or types of driving. The added cost for each tune is minimal once you have the car on the dyno. I pick-up 30 hp on my tune by running 93 octane, or can run on 91 octane to save fuel $ when I don't care much about power. (BTW, this is on a 450 hp Mustang, not on the PAC. Hp increases will be less on the PAC).
6 - Now for the kicker.....if you care about your warranty, DON'T MOD THE CAR. Changing the tune will void the warranty if you get caught. If you install a chip, this is a blatant voiding of the warranty. If you use a hand-held "flash" style tuner, you might be able to get away with it by installing the stock tune before taking the car to the shop each time.
7 - Using a CAI (Cold Air Intake) can help with power and mpg especially with a custom tune. They can also pose warranty issues. One way around this is if Mopar sells one and you have the dealer install it. K&N filters are fine.....no warranty issues with this. I plan to purchase one for my PAC. I use them on all my cars.
Try driving without the trailer, but drive as if it were still there.
'11 GMC Sierra 1500; '08 Charger R/T Daytona; '67 Coronet R/T; '13 Fiat 500c; '20 S90 T6; '22 MB Sprinter 2500 4x4 diesel; '97 Suzuki R Wagon; '96 Opel Astra; '08 Maser QP; '11 Mini Cooper S