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Old 06-27-2013, 10:53 PM   #1
thunderlevin
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Default V6 Electronic Speed Limiter

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Old 06-28-2013, 06:42 AM   #2
JimC
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That just lets you scan for diagnostic information, it doesn't do any programming. You need to get a tune.
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Old 06-28-2013, 11:58 AM   #3
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Well then is there any software/hardware package that will turn a laptop into a tuner instead of having to buy a dedicated tuner that will only work on one car? A tuner is just a computer (and not a very powerful one) with some dedicated software and an OBD connector. There must be some way to do this with a laptop (or tablet) and skip buying redundant hardware, no?
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Old 06-28-2013, 12:20 PM   #4
Rudolph Hucker
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you want to go over 115 mph in a mustang vert?
you must be crazy dude..
i find it hard going over those speeds in a coupe v8..death wish springs to mind
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Old 06-28-2013, 12:31 PM   #5
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The V6 isn't even breathing hard at 115. That's what's so frustrating. The limiter kicks in right in the middle of the power band.
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Old 06-28-2013, 12:35 PM   #6
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what about handling and road holding?
you do know the drive shafts explode over 120 mph on the v6 dont you?

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Old 06-28-2013, 01:02 PM   #7
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Can anyone answer my question about using a computer rather than a dedicated tuner?
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Old 06-28-2013, 01:27 PM   #8
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Sorry, I can't answer your question but I think you're playing with fire, despite that a number of folks claim they can reach over 120 MPH on the stock tune in their 4.0. The 4.0's drive shaft is know to tear apart at speeds in excess of 125 MPH. And personally, I don't think ANY stock 4.0 can push much beyond 125 w/o some... "help". That's a lot of wind resistance to cut with a meager 4.0.
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Old 06-28-2013, 01:44 PM   #9
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Quote:
Originally Posted by thunderlevin View Post
The V6 isn't even breathing hard at 115. That's what's so frustrating. The limiter kicks in right in the middle of the power band.
The 4.0L engine itself may not be too strained (which isn't particularly correct either mind you) but the drivetrain and suspension are absolutely at their limits when you near speeds in excess of 115+ MPH.

At those speeds that two piece shaft will back out of its U-Joints and start oscillating so fast that you won't know what hit you when it finally does snap. Or just as worse, your **** poor stock OEM tires (probably the cheapo ones that came with base 4.0s) rated for less than 120MPH fail. Either way, you are causing a death wish to come true due to blissful ignorance.

As far as answering your "question", I do not know of any programs that will unlock your PCM and allow you to make changes on the fly through your computer (do you have a USB to OBDII connector?). As far as I know, most garage tuners still use their SCT tuners to upload their files into their vehicles.

I don't even want to ask if you have a roll bar for your convertible when you are doing these speeds...

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Old 06-28-2013, 01:46 PM   #10
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plus a verts chassis is dire compared to a coupe..
leave well alone dude if i was you.
as i said even a gt feels scary above those speeds...
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