V6 CPU Performance Modification Assessment

davigf · July 24th, 2006, 06:51 PM

Question: Buying a V6, 2002. What is the best way to figure out if any modifications have been made to the engine performane management system in the ship's computer. In a week end test drive, this automatic logged 15 mpg, with "flowmaster" dual exhaust. I am in the Dallas area. Suggestions for shops that can evalaute the car would be most appreciated, if that is the path I need to take to determine any modifications. Car has been lowered with Eibach springs as well.

Thanks,
davigf

AtlanticBlue99 · July 24th, 2006, 07:05 PM

If you are looking for mods, take a look at some stock mustangs of the same model and take pics and note differences if necessary. Also, you can take images of the car's engine bay, interior, under neath, and from any and all imaginable angles and post here. I can tell you what has been done.

99mustang232 · July 24th, 2006, 07:13 PM

there are two ways to modify the pcm's programming, the first being reflashing and the second being "chipping". the chipping is the easiest to spot, to do so you will have to remove the negative cable from the battery, remove the passengerside kicker panel, pull the PCM and if installed you will see a 'chip' similar to this attached to the back of the computer. Otherwise you are probably stuck with buying an XCAL to reflash the stock tune, taking it to a tuner to see, or the stealership.

But prior to taking it somewhere I would check and/or replace the spark plugs if you have not already, because this can alter the MPG. Also do you think there is a possiblility that the 'gears' have been upgraded, that would be a reason that someone would want to reflash the PCM?

davigf · August 1st, 2006, 03:46 PM

Thank you for the input. This Mustang has had modifications in suspension and exhaust for sure. The piggy back chip set should be easy to catch. The flow master exhaust has a throaty sound. I think I can hear an exhaust leak in the engine compartment. It is difficult to assess.

Changing the plugs is a great idea. I will also change the oil. The low profile, wide tires probably has an additional negative affect on gas mileage.

I am also looking for a solid recommendation on method for cleaning up scratched up headlamp assemblies. I have been a Ford guy for a long time. Now I own a 94 F-150 with 170K mis and it runs flawlessly. I own a 2004 Expedition. Great on the road, just expensive to move on it. Now, after 30 yrs of driving, I get to own a Mustang. Great car.

Thanks again,
New Mustang Owner, George

AtlanticBlue99 · August 1st, 2006, 03:48 PM

I bet this car was built to look and sound fast. To clean the headlights, you will need to spend time and elbow grease with a rubbing compund, polish, and wax (just like paint) to clean it up. I just bought new headlights off ebay...

davigf · August 1st, 2006, 03:52 PM

Rubbing compound...what to use to apply the compound...? foam sponge??

George

AtlanticBlue99 · August 1st, 2006, 04:15 PM

mircofiber rag

99mustang232 · August 1st, 2006, 06:39 PM

here is a link to the "imfamous headlight haze thread", good luck with the stang, post up some pictures of the car, we can help you spot any modifications!

einod · August 2nd, 2006, 02:03 PM

Buy new headlights off of eBay. Some of them look really nice and they arent too expensive. Im wanting to get a set of black projectors off of eBay.

davigf · August 3rd, 2006, 08:33 PM

Thanks for all the help. Ebay has replacements that are reasonably priced. I am sure they are mostly aftermarket, but what will I notice about them that will be different from OEM, other than the low price?

George

AtlanticBlue99 · August 3rd, 2006, 08:39 PM

Glass construction as opposed to plastic.

einod · August 3rd, 2006, 11:09 PM

Dont get OEM. Get something that looks different.

AtlanticBlue99 · August 3rd, 2006, 11:10 PM

Get what I got- black or clear looks good

einod · August 3rd, 2006, 11:13 PM

What about those lens things. You can also get those. Or you can also get a black out decal over your lights.

AtlanticBlue99 · August 3rd, 2006, 11:15 PM

I don't care for the HID look or the blackout look unless the car is black. HID's are a no-no and so are tail lights.

einod · August 3rd, 2006, 11:16 PM

I dont like them either. I was just suggesting somehting different. =]

AtlanticBlue99 · August 3rd, 2006, 11:18 PM

Well, anyone can do whatever they want with their car, but personally, I favor an "anabolic stock" look (i.e. my car)

einod · August 3rd, 2006, 11:20 PM

Just as long as they dontturn their mustang into a Ricer I am happy

AtlanticBlue99 · August 3rd, 2006, 11:22 PM

+1

einod · August 3rd, 2006, 11:23 PM

Lol

July 24th, 2006, 06:51 PM	#1
davigf Newbie Join Date: Jul 2006 Posts: 10 iTrader: 0 reviews	V6 CPU Performance Modification Assessment Question: Buying a V6, 2002. What is the best way to figure out if any modifications have been made to the engine performane management system in the ship's computer. In a week end test drive, this automatic logged 15 mpg, with "flowmaster" dual exhaust. I am in the Dallas area. Suggestions for shops that can evalaute the car would be most appreciated, if that is the path I need to take to determine any modifications. Car has been lowered with Eibach springs as well. Thanks, davigf

July 24th, 2006, 07:05 PM	#2
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	If you are looking for mods, take a look at some stock mustangs of the same model and take pics and note differences if necessary. Also, you can take images of the car's engine bay, interior, under neath, and from any and all imaginable angles and post here. I can tell you what has been done. __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

July 24th, 2006, 07:13 PM	#3
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	there are two ways to modify the pcm's programming, the first being reflashing and the second being "chipping". the chipping is the easiest to spot, to do so you will have to remove the negative cable from the battery, remove the passengerside kicker panel, pull the PCM and if installed you will see a 'chip' similar to this attached to the back of the computer. Otherwise you are probably stuck with buying an XCAL to reflash the stock tune, taking it to a tuner to see, or the stealership. But prior to taking it somewhere I would check and/or replace the spark plugs if you have not already, because this can alter the MPG. Also do you think there is a possiblility that the 'gears' have been upgraded, that would be a reason that someone would want to reflash the PCM? __________________ ...even fire and single cammin 1986 Ford F-150 5.0L 2WD 1994 Toyota Pickup 2.4L 4WD 1999 Ford Mustang 3.8L V6 2002 Jeep Grand Cherokee 4.0L 2WD 2008 GMC Sierra Denali 6.2L AWD

August 1st, 2006, 03:48 PM	#5
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	I bet this car was built to look and sound fast. To clean the headlights, you will need to spend time and elbow grease with a rubbing compund, polish, and wax (just like paint) to clean it up. I just bought new headlights off ebay... __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 1st, 2006, 04:15 PM	#7
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	mircofiber rag __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 1st, 2006, 03:46 PM	#4
davigf Newbie Join Date: Jul 2006 Posts: 10 iTrader: 0 reviews	Thank you for the input. This Mustang has had modifications in suspension and exhaust for sure. The piggy back chip set should be easy to catch. The flow master exhaust has a throaty sound. I think I can hear an exhaust leak in the engine compartment. It is difficult to assess. Changing the plugs is a great idea. I will also change the oil. The low profile, wide tires probably has an additional negative affect on gas mileage. I am also looking for a solid recommendation on method for cleaning up scratched up headlamp assemblies. I have been a Ford guy for a long time. Now I own a 94 F-150 with 170K mis and it runs flawlessly. I own a 2004 Expedition. Great on the road, just expensive to move on it. Now, after 30 yrs of driving, I get to own a Mustang. Great car. Thanks again, New Mustang Owner, George

August 1st, 2006, 03:52 PM	#6
davigf Newbie Join Date: Jul 2006 Posts: 10 iTrader: 0 reviews	Rubbing compound...what to use to apply the compound...? foam sponge?? George

August 1st, 2006, 06:39 PM	#8
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	here is a link to the "imfamous headlight haze thread", good luck with the stang, post up some pictures of the car, we can help you spot any modifications! __________________ ...even fire and single cammin 1986 Ford F-150 5.0L 2WD 1994 Toyota Pickup 2.4L 4WD 1999 Ford Mustang 3.8L V6 2002 Jeep Grand Cherokee 4.0L 2WD 2008 GMC Sierra Denali 6.2L AWD

August 2nd, 2006, 02:03 PM	#9
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	Buy new headlights off of eBay. Some of them look really nice and they arent too expensive. Im wanting to get a set of black projectors off of eBay. __________________ Remember Kids, Mustangs Eat Rice =]

August 3rd, 2006, 08:33 PM	#10
davigf Newbie Join Date: Jul 2006 Posts: 10 iTrader: 0 reviews	Thanks for all the help. Ebay has replacements that are reasonably priced. I am sure they are mostly aftermarket, but what will I notice about them that will be different from OEM, other than the low price? George __________________ 02 Black Mustang, V6, lowered w/Eibach springs, dual Flowmaster exhaust, rectangular chrome exhaust tips, low profile fat tires, white Mustang lower body side stripe, deep tinted windows. Leather, traction control, ABS, Mach Stereo.

August 3rd, 2006, 08:39 PM	#11
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	Glass construction as opposed to plastic. __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 3rd, 2006, 11:09 PM	#12
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	Dont get OEM. Get something that looks different. __________________ Remember Kids, Mustangs Eat Rice =]

August 3rd, 2006, 11:10 PM	#13
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	Get what I got- black or clear looks good __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 3rd, 2006, 11:13 PM	#14
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	What about those lens things. You can also get those. Or you can also get a black out decal over your lights. __________________ Remember Kids, Mustangs Eat Rice =]

August 3rd, 2006, 11:15 PM	#15
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	I don't care for the HID look or the blackout look unless the car is black. HID's are a no-no and so are tail lights. __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 3rd, 2006, 11:16 PM	#16
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	I dont like them either. I was just suggesting somehting different. =] __________________ Remember Kids, Mustangs Eat Rice =]

August 3rd, 2006, 11:18 PM	#17
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	Well, anyone can do whatever they want with their car, but personally, I favor an "anabolic stock" look (i.e. my car) __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 3rd, 2006, 11:20 PM	#18
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	Just as long as they dontturn their mustang into a Ricer I am happy __________________ Remember Kids, Mustangs Eat Rice =]

August 3rd, 2006, 11:22 PM	#19
AtlanticBlue99 I Post Entirely Way Too Much 1999 Ford Mustang V6 14.79 @ 92.15 Join Date: Aug 2005 Location: University of Georgia Posts: 8,859 Blog Entries: 1 iTrader: 0 reviews	+1 __________________ ModdedAutos 1999 Mustang V6 I used to list my mods here but stopped when I exceeded 255 characters.

August 3rd, 2006, 11:23 PM	#20
einod Regular Join Date: Jul 2006 Location: Port Charlotte Fl Posts: 117 iTrader: 0 reviews	Lol __________________ Remember Kids, Mustangs Eat Rice =]

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