I have a 2005 auto convertible, when I accelerate there is some lag before it takes off. Is there a way to tune my transmission to shift gears quicker? (Quicker up shift with less throttle) I am just a girl and I don’t know much about cars but………when I speed up while pushing on the gas, I want it to switch gears faster with less lag when under normal acceleration/slightly aggressive acceleration. I am not looking to race just to pass……….Has anyone else experienced this? I’ve done a search but I have not found them to be relevant to my concern. Thanks for your help.
my best advice would be to get a cold air intake and tuner package from somewhere like b@m@chips.com (replace @ with a). The tune you get in the package for your car will firm up your shifts and increase throttle response. Overall, you should get about a 20 horse gain as well. downside is they cost about $500-600. The car will feel like it's been unleashed though. Definitely worth the money.
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''''05 Black 4.0 auto | FRPP Duals | Hi-Po X-Charger 2.8 | Bama 91 tunes | Rockford Fosgate 12" sub w/ 500w amp
if you can keep your foot out of it I get a little better gas mileage with my intake and tune than I did without it, not sure if this is the case for everyone though.
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''''05 Black 4.0 auto | FRPP Duals | Hi-Po X-Charger 2.8 | Bama 91 tunes | Rockford Fosgate 12" sub w/ 500w amp
Call Justine at vmptuning.com(321-206-9369)and ask about his Xcal2 or 3 flash tuner & cai intake, $485.00. Get a GT takeoff or performance muffler and you have just picked up 25 hp. This WILL get rid of that dangerous lag,get firmer shifts, better response and improved highway gas mileage. I got 29.1 mpg on a trip last summer(406miles-13.953 gals. of gas). The tune and cai intake will be very easy for you to install,the muffler is a little harder but you can have someone do it for you. Turns your Mustang into a different car. GOOD LUCK!!
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White 2005 V6 coupe w/automatic. FRPP M5230V6 dual exhaust. Vmp 93 mileage tune w/Vmp cai. Shaftmasters 4 in. driveshaft. 8.8 posi-rear w/3.55s. 17x8 in. black FRPP Bullitts w/Pirelli 235-55s. BEST 1/4 MILE TIME -- 14.65@93.58 (4/16/08)
A tune will fix that shift for sure. You can adjust the shift pressure (quicker & firmer) and the wide open throttle mph shift point for each shift. Plus, you can adjust a lot of other stuff as well.
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2007 4.0 Premium-Satin Silver-Automatic Packages: Pony-Performance-Interior Upgrade Modifications: See Profile
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Question about auto shift lag - 
I get a little better gas mileage with my intake and tune than I did without it, not sure if this is the case for everyone though.
