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Speed limiter on F-body????

Old 02-10-2004, 08:01 PM
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Default Speed limiter on F-body????

I have a friend that says that all cars have govenors or speed limiters is this true??? I've taken my car up pretty high so I dont think it has one. Ive never heard of anyone taking a govenor off a T/A.......
Old 02-10-2004, 08:28 PM
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155 mph on your car.



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Old 02-10-2004, 09:41 PM
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Think it depends what kind of tires your car came with. If you got trashy factory tires then you have a top speed limiter at like 140, but if you got z rated then there is none. You can look inside the doorjam and see what size tires you got from the factory.
Old 02-11-2004, 03:50 PM
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Non Z-rated tires is ~110mph
Z-Rated is ~155 or ~162 depending on the year of car.

Both restrictions could be changed removed with an editor(The 'governer' is in the computer).

Why you would believe me over the other posts is beyond me, but these numbers are right regardless.

FWIW,
Old 02-11-2004, 06:04 PM
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My 2000 WS6's speed limiter from the factory was 168mph. (It came with "W" rated tires)

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Old 02-11-2004, 06:24 PM
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W rated? what kind of tired were they?

the ws6's all got Z rated F1's from 98-02 to my knowledge.

It might be 162, or 155, im not sure of the year that changed. it.

SSN8R has the right information. Listen to him.

Ryan
Old 02-11-2004, 06:51 PM
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Originally Posted by slow
W rated? what kind of tired were they?

the ws6's all got Z rated F1's from 98-02 to my knowledge.

It might be 162, or 155, im not sure of the year that changed. it.

SSN8R has the right information. Listen to him.

Ryan
My bad, I just checked my original LS1 flash file and the speed limiter was set to 160 mph. (W rated tires are rated at 168mph that's what confused me....)

My car did come with W rated tires however. They were Goodyear Eagle F1 GS 275/40WR17

Tommy
Old 02-11-2004, 09:10 PM
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Most cars have limiters, but not all. My truck is limited buy power, no computer to stop it.
Old 02-12-2004, 01:36 PM
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Not all cars. My Corvette has none, neither of my LT1 f-bodies had a limiter.
Old 02-12-2004, 01:38 PM
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Better the question: Who still has the speed limiter set to default?
Old 02-12-2004, 02:20 PM
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Originally Posted by Debian Dog
Better the question: Who still has the speed limiter set to default?
me , 118mph at that , once hptuner comes out though that should change
Old 02-12-2004, 02:39 PM
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Originally Posted by jrp
me , 118mph at that , once hptuner comes out though that should change
YOU of all people? I would have bet against that! tsk-tsk

I know of yet another tuner coming out too. Not the EFIlive guys or HPtuners.com. 04 should be an interesting year for tuning.
Old 02-12-2004, 11:03 PM
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wtf?, I've burried my needle past the 155 mark all the way to the steering column, didnt get any type of popping or stutter, it felt like it would keep climbing(not bone stock engine set up of corse), is there a possiblity that not all ls1's have speed limiters?, mines a 98 z28 6 speed
Old 02-13-2004, 10:19 AM
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Originally Posted by Assassin
wtf?, I've burried my needle past the 155 mark all the way to the steering column, didnt get any type of popping or stutter, it felt like it would keep climbing(not bone stock engine set up of corse), is there a possiblity that not all ls1's have speed limiters?, mines a 98 z28 6 speed
'98s had limiters too. I believe they were set at 162, maybe you lifted short of that. The car would 'pull past it' assuming the limiter was disabled and you had enough road(if memory serves, they got ~175 out of a '98 at the test track).

Are you still running through the PCM??? Did you get a 'tune'? Yours could be disabled.

FWIW,
SSN8R
Old 02-13-2004, 10:40 AM
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118 limiter here... it sucks i've hit it a lot its just going to suck when im trapping at that or more.
Old 02-13-2004, 11:21 AM
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hmm i thought the car just topped out at 160 something b/c of the engine not a speed limiter....
How do you disable this by the way....
Old 02-16-2004, 11:22 AM
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162 on mine its on my dyno sheet too
Old 02-16-2004, 06:01 PM
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I have a 2002 Ls1 is there a speed limter. The other day I thoguht I went like 120 and thats it... please help
Old 02-16-2004, 06:03 PM
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yea when i was driving a friends z28 i hit 118 i was like come on!! i felt it had alot more go just wouldnt


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