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145MPH - 155MPH max . Change the O2 sensors and sparkplugs .Goodyear Z-Rated 235-60-16 min size in rear . A shop will do it for $225.00 to $340.00 or you can get a tuner for $275.00+ .
 

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Mmmm.... I'd have to disagree there...

The biggest determining factor (after brake/driveshaft/tire upgrades) is HP vs the air.
My '96 with chip, PI intake, 80mm MAF was only able to hit about 146-ish. The aerodynamic forces held it back at that point. The tach still had room left, but not enough oomph to get her any faster.

I do not suggest, nor condone going that fast in an uncontrolled environment. Ever.
I was younger, and quite a bit more reckless then. I will say that there was only one other person on the road, and I would NEVER endanger anyone else.

Peter M
 

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If you remove your dash, you can find a connector marked POL_PKG. Place a jumper across this, no more speed limiter.
 

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Fry Rice Specialist
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If you remove your dash, you can find a connector marked POL_PKG. Place a jumper across this, no more speed limiter.
i assuming that is meant for police package in case if they need it?
 

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I don't know about a speed limiter but I have hit the rev limiter at 115 in 4th on my 95 cougar and she would not go any faster...
 

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thats the speed limiter.....its probaby higher because you have lower gearing like 3.08s......the 106 or 107 is i think for the 3.27 equipped cars....there are several rev limiters in the EEC, but they are not gear-specific, therefore you simply hit the speed limiter in your car
 

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If you remove your dash, you can find a connector marked POL_PKG. Place a jumper across this, no more speed limiter.
tell me more of this jumper and connector.... pictures please :D
 

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If you remove your dash, you can find a connector marked POL_PKG. Place a jumper across this, no more speed limiter.
I guess they may as well replace the heatercore while they're in there, huh?

-Rob
 

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Fry Rice Specialist
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slow down before you killed yourself...
*kill

If he killed himself he'd be dead already

How fast can you go? Hmm, well, that's a function of two things-- your car's power, and weight ratio. Aerodynamics on the tbird are pretty good, but on a cougar not so much because of the drag created by the vacuum at the rear window. The Cougar is a little bit blockier.

The fastest I ever got my 90 SC going was well in excess of 135+... I put the pedal down in 4th to see what would happen and the needle was buried VERY quickly.. this was a closed course, naturally. heh.

I haven't bothered to find out how fast my V8 will go. Probably not very because it is a very lazy V8. It's like... meh, I don't feel like it today.
I am figuring that a V8 model 4.6L w/o a speed limiter on the 4R70W could achieve 125 or so, depending on your gearset.

Unfortunately for you, it isn't SAFE to go that fast not only for legality purposes, but also because your big heavy unbalanced driveshaft will NOT like the RPMS it is being dealt and react adversely.

I have the MK VIII 1993 Alum 1-piece D/S so it is not a problem for me. But none the less I choose not to find out. I'll let you know when I do.


Oh, and the limiter kicks in at what the comp thinks is 105. I have to change out my speedo gear because the car thinks I still have 3.73s. It shuts me down at like 95 ish and says HELL NO if I rev to 5400rpm and cuts the fuel.

-Ghost
 

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If you remove your dash, you can find a connector marked POL_PKG. Place a jumper across this, no more speed limiter.
COOL , you can have a seat at the big kids table . Drivers side or those wirers in the center ? Is it all V-8 4.6L THUNDERBIRDS ?
 

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Discussion Starter #19
Not thunderbirds, we're talking cougars. It might not even be on thunderbirds.

Slow down... Me? I echo the sentiment of Ghost's car - HELL NO! I'm 16. :-D

And about your limiter, Ghost. That sucks. I can rev the engine past the gauge limit. The gauge flips to the peg but I can still hear the engine noise increasing.

Speaking of nearly killing myself, I spun out on the highway going 35 today. I decided to gun it around a turn onto the highway. It started to lose control 15-20ft after I made the turn. I kept it somewhat under control for the next 20 or so feet, but I was already going to fast. I spun twice and landed in the ditch. Everyone was okay. Yes, I know. Stupid kids. And for those of you who don't know, it was storming at the time... :-X
 

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The speed limiter is there for a reason. Leave it in place or risk the consequences.


O/T-- I'm so glad you live in MN. I have enough things to dodge around here let alone a kid in a heavy car, in the rain, and having absolutely no control. May I suggest you find a big open parking lot somewhere and learn how to control a slide, and steer out of a skid. I was made to do this when I started to drive and I have to say it has saved me more than once. I have yet to spin a car around unintentionally and loose control. It's fun to go fast, yes, BUT it is more fun to go fast and stay in control. Anyone can go fast, but it's stayting in control of the 3800lb. weapon that makes for a good driver.

And before you decide that all I said is BS, yes, I did dumb things as a new driver, but I was also aware that my actions could easily kill not only me, but anyone else on the road. I prefered to try stupid things on a road w/ no one around. I see no need to do 100+ on a highway. Not only will your driveshaft not like it, you are a hazard to everyone around you. Has someone been watching too much F&F?

Jay
 
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