2005 - 2014 MustangsDiscussions on the latest S197 model Mustangs from Ford.
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just picked up my 2007 mustang gt premium for 15k with 47k on it...very clean car. im very new to the mustang world so please bare with me.. what are some common problems with the 07 4.6.. ive been hearing alot about the 2 piece spark plug problems.. what would be some good spark plugs to replace them with... just would like to know the ins and outs of my year mustang.. i have been looking at a tune intake and exhaust for performance what would be a good setup and who would be a good tuner.. im still under warranty so i cant go crazy yet.. like a said before im very new.. i left the diesel world so every is different for me... thank you for your time
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These cars a very reliable, the 2007 and 2009's being some of the best. Spark plug issue sucks but if you're patient and follow procedures there should be no major issues. As for performance gains you should set a final goal of what you want then work your way there, if you just listen to people here and start throwing parts at it it will cost you more in the long run.
Also, for exhaust, you've got a lot of options. If you want to go crazy, get LTs, an offroad H or X pipe, and new mufflers. If you want a bit more power and better sound, just go with an H or X pipe and new mufflers. If you want to get a slight increase in power and want a better sound, you can just go with new mufflers. Other power upgrades I would recommend are 4.10 gears, underdrive pulleys, and new tires (check out nitto 555s). If you want to go fast though, you can't forget about handling and braking. You can wait till you need new brake pads and then pick up some Hawk pads, I have the HPS pads and love them. New rotors are more expensive and I wouldn't bother replacing the stock rotors until they are worn out, but there are plenty of options to upgrade when they eventually do. As for handling, there are a lot of ways to improve that. On my personal to-do list, I have Koni Yellow shocks/struts, Steeda Ultralight springs, subframe connectors, Fays2 Watts Linkage, and I already have new swaybars on my car. Sam Strano can hook you up with some good parts at stranoparts.com.
Location: PA to KY ('07) to IL ('09) to MS ('10) to FL ('11)
Originally Posted by mikefurno
Also is there anyway to get better gas mileage with a tune?
There actually IS an economy tune but you'll have to turn in your man-card. Soccer moms will pop you the finger as they pass you. I certainly hope that you didn't buy a Stang for economy. That being said, the typical performance tunes will get equivalent mileage as the stock tune PROVIDED that you're not getting on it a lot (and that's hard to do because even a good custom 87 octane tune will run circles around the stock 87 tune).
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