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Ford Crown Victoria/Mercury Grand Marquis Modifications

39 messages,  Last post on Jun 22, 2009 at 4:22 PM

You are in the Ford Crown Victoria/Mercury Grand Marquis Forum. Your Hosts are pat & karens

What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Performance Mods, Exhaust, Sedan


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#15 of 39
Re: Back to dual exhaust..... [dekester] by jsylvester
Apr 15, 2006 (4:52 pm)
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Replying to: dekester (Apr 14, 2006 5:01 pm)

Get a set of black steelies, and put the chrome center cap, and maybe chrome trim rings. A lot cheaper than alloys, and looks "industrial" to me.
#16 of 39
Re: Back to dual exhaust..... [dekester] by joe110
Apr 16, 2006 (4:43 am)
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Replying to: dekester (Apr 14, 2006 5:01 pm)

You should have dual cats already. Take it to a muffler shop or specialty shop and tell them you want true duals put on it. You can choose whatever kind of mufflers you want. Loud or soft. Or buy your own. As far as flashing the computer, some say the car will run rough when the duals are installed and the computer needs to be adjusted. Or some say the car will run fine. At any rate, flashing the computer will give you 12-25 more HP and increased drivability. Go to SCTFlash.com and go under "products" and click on "ford products." Or speak to the guy I dealt with and ask him anything. I bought my Excal2 from him. He knows his stuff. My 05 kicks butt now. And no, Im not working for him or anything. Im just amazed at what a difference it makes on the car. Go to dp-tuner.com. Just tell him what you want out of your engine. Good luck!
#17 of 39
Re: Back to dual exhaust..... [jsylvester] by dekester
Apr 16, 2006 (3:41 pm)
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Replying to: jsylvester (Apr 15, 2006 4:52 pm)

If I do that, it'll just look more like an unmarked SHeriff's cruiser. Mu GM is Aspen Green with dark tinted windows. I fool people sometimes when they look quick, but once they see the crome grille and rear end reflector, they realize is isn't what they thought it was.
 
Deke
#18 of 39
Re: Back to dual exhaust..... [dekester] by jsylvester
Apr 16, 2006 (6:19 pm)
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Replying to: dekester (Apr 16, 2006 3:41 pm)

Got it. The problem you have is they changed the wheel offset for 2003, so you cannot use any wheels designed for a pre 2003 Grand Marquis; otherwise I'd suggest the lacy spoke wheels on the 95-02 HPP/LX Sport/LSE models.
 
They would be fairly easy to find used. New wheels will cost ya.
#19 of 39
Re: Back to dual exhaust..... [dekester] by p100
Apr 17, 2006 (12:38 pm)
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Replying to: dekester (Apr 16, 2006 3:41 pm)

More and more rednecks around here (central Florida) are buying old police cars at auctions and driving them everywhere. Boy, does this irritate me! As if we did not have enough real police cars around! Money is tight everywhere, so police is lurking everywhere, trying to give out as many speeding tickets as they can. All we need is these lookalike cop cars to make life more pleasant on the overcrowded roads around here.
I saw one such car today that still had the police numbers painted on it, including big ones on the roof. It also had the spotlights in the front. Only the civilian license tag and the kid behind the wheel gave it away, as it was a fairly late model car.
#20 of 39
got a 93, any after market performance mods out there. by fatpunk
May 26, 2006 (5:41 am)
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so i am now the proud owner of a 93 GM its got 40k miles on it and its in close to perfect condition 2 owner car. Well my question is simple can anyone on here point me in the direction of any performance enhancements after market or oem, and with those preferably websites where parts can be ordered. i am not looking for anything drastic just maybe a 50 hp gain to get me away from the low baseline of 190....thanks for any help. (oh and i am not just being lazy i have actually done a bit of research and am not finding much so i figured i would ask what seems like a good community.)
#21 of 39
Re: got a 93, any after market performance mods out there. [fatpunk] by euphonium
May 26, 2006 (7:04 pm)
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Replying to: fatpunk (May 26, 2006 5:41 am)

Maybe a K&N air filter system, but otherwisedue to the, onboard don't mess with, computer you have what you bought.
#22 of 39
Re: got a 93, any after market performance mods out there. [fatpunk] by joe110
May 28, 2006 (4:46 am)
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Replying to: fatpunk (May 26, 2006 5:41 am)

I own an 05 CV and I flashed the computer. Go to DP-Tuner.com and Email this guy. Tell him what you have and what you want. He can set you up. My car went from a kinda fast car at 225hp to a real screamer. Not sure of the HP now but it feels like 270 or 280. I am looking to change the air intake because its not getting enough air now at full throttle. The other site is SCTflash.com. Click on the Ford performance tab. Also look into changing the rear to 323 or 355. I am currently checking the gas mileage and am still getting 300 miles on a tank of gas. This is what I got at the stock setting on the computer. Good luck!
#23 of 39
joe110 by marsha7
Jun 01, 2006 (5:28 pm)
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Replying to: joe110 (May 28, 2006 4:46 am)

Pardon my ignorance, but who did the flashing of the computer, how is it done, and just how does it "improve" the HP and performance???...it can't change the compression or the internal engineering of th enginbe, so how does performance improve???...thanks...
#24 of 39
Re: joe110 [marsha7] by joe110
Jun 03, 2006 (4:52 am)
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Replying to: marsha7 (Jun 01, 2006 5:28 pm)

You are not being ignorant. Every car since the 90's are controlled by an ECM. Lets just use Ford for obvious reasons. I was told by SCT that our computers are compatible in more than one car. Its just tuned by the factory with a factory setting. For Ex- my computer can be used in a Excursion or a Lincoln LS. It just needs to be programmed by the factory. The rest you should be able to figure it out. Sure, a bigger cam or higher compression can increase the HP, but you should still tune the ECM to get all you can out of the engine. As far as flashing, you have to buy the flash device. It may be used or new. Mine was new at 425 bucks. Go to DP-Tuner.com. He sells new and used Flash devices. Or buy a Fast ford and Mustang mag. Look for flash devices in the mag. There are all kinds. I just plug SCT because I was referred by a Mustang user and tried it. I spoke to him last week and his brother works for a ford dealer. He got a used ECM and was playing with the programs. He was giving it to my buddy with the mustang to try out. Good luck.

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