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Getting the Speed limiter removed without tune? 

 

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 Post subject: Getting the Speed limiter removed without tune?
Posted: Sun Oct 19, 2008 3:40 am 
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Age: 36

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Joined: 15th Oct 2008

Location: Anton
Oustide Australia

I have a 1997 Ford Thunderbird LX Limited Edition with the following mods:

Engine-2002 Mustang GT 4.6 PI engine
Underdrive pulley kit
Larger GT Mass Air flow sensor
K/N Cold Air Kit
E3 Plugs/ 8.5 mm wires
Throttle and plenum spacers
Trac-loc
3.73 Gears
2 freeflow cats with straight 2" exhaust

This Thunderbird is pretty fast, and it has killed GT's, 350Z's, and walked with stock TA's and Z28s. My problem is the speed limiter, I tried to get a tune, buy a tuner, void sensors... everything I could think of. No luck yet, my car tops out at 105mph with the speed limiter. This car gets there quick and is capable of 150mph, if I can just get rid of the speed limiter. Anyone know how? :?: :?: :?:

 

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Posted: Sun Oct 19, 2008 3:53 am 
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Joined: 25th May 2006

Ride: ef xr8

Power: 229 rwkw

Location: Perth
WA, Australia

What gearbox are you running? AOD?

 

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'95 EF XR8 auto, Advance headers, 3" exhaust, Cobra manifold, BBK 75mm throttle body , 80MM Marauder MAF, Vortech V2 T Trim , 307 rwhp, 405 ft/lb 13.2 @ 105 MPH

Now N/A (permanent Lag) - AFR 165's, Comp XE270 cam, 1.6 RR - 269 rwhp 14.1 @ 102mph.

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Posted: Sun Oct 19, 2008 4:26 am 
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Location: Anton
Oustide Australia

4r70w is the Tranny. The rear end is 8.8

 

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Posted: Sun Oct 19, 2008 1:52 pm 
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Age: 38

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Ride: 66 Coupe

Location: Perth
WA, Australia

send an email to sales(at)shiftkits.com.au
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Posted: Mon Oct 20, 2008 12:35 am 
Getting Side Ways
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Age: 39

Posts: 1886

Joined: 26th Nov 2006

Gallery: 7 images

Ride: EL XR8, '08 Mondeo XR5t

Power: 205 rwkw

Location: Perth
WA, Australia

Find the VSS input of the ecu and cut it?

I don't know if it would be the same as my car, but when I changed the diff ratio, the speed limiter cut in when the speedo read 180, but it was actually doing 150, which is a problem when I wanted to run the 1/4. In cutting the wire at pin 58 (this may not be the same for your car), it disabled the speed limiter, however it also effected dashpot, I think it is, and when slowing to a stop it wouldn't hold idle and stall. This was only a temporary solution until I got the speedo sorted.

 

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Posted: Tue Oct 21, 2008 7:39 am 
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Location: Anton
Oustide Australia

I am not convinced that I should cut a wire...again. The other thunderbird went salvage because I cut some wires already trying to disable the speed limiter. I cut mine under the middle console were the wires go to the tranny though. The wire you are talking about is right before the ecu? And your car, what is that a focus? I looked at the pics but the engine vs. the body got me wondering what is that?

 

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Posted: Tue Oct 21, 2008 10:46 am 
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Age: 35

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Joined: 5th Nov 2004

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Ride: V8 T5 Fairmont & BA XR6T

Location: Sydney
NSW, Australia

thems fighting words calling an EL XR8 a Focus :wink: It was our 4 door 5ltr V8 performance car of the mid to late 90's. Down under we dont have many mustangs

 

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Posted: Tue Oct 21, 2008 1:30 pm 
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Sorry no offense meant. Don't get me wrong, that must be a bada$$ ride with its setup. I honestly did not know, never seen one before.

 

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Posted: Wed Oct 22, 2008 10:16 am 
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Age: 35

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Ride: V8 T5 Fairmont & BA XR6T

Location: Sydney
NSW, Australia

its all good, just having a bit of fun. Aussie Falcons arnt known to many outside Aus except for the Kiwi's and South Africans

 

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Posted: Wed Oct 22, 2008 2:41 pm 
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I posted about this on my hometown race site and alot of older guys know about the falcon and everyone says Australia has been getting the cool cars compared to ours. :(

 

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Posted: Wed Oct 22, 2008 3:20 pm 
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Joined: 19th Feb 2007

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Ride: 98 EL Futura

Power: 199 rwkw

Location: Lilydale
VIC, Australia

lol yeah iv been on a few American sites and it looks like they would love to have the XR6 turbo's over there.

 

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