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Speed limited.......

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Old Apr 15, 2009 | 02:28 PM
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Speed limited.......

Someone asked me -- I think it may have been Guy -- at what speed the fuel shut-off is set on the new Camaro.

The fuel shutoff is mandated based on the speed rating of the tire at the point of manufacture.

For the 2010 Camaro:

18 inch wheel/tire combination on the LS model is speed limited to 118.

All other 19 and 20 inch wheel/tire combinations from the factory are limited to 155.

PLEASE DO NOT ATTEMPT TO FIND OUT UNLESS YOU ARE ON A TRAFFIC-CONTROLLED TRACK!!!

too often we forget that there IS the law of physics -- and it takes a while to go from 155 to zero..........Brembos or not!
Old Apr 15, 2009 | 02:37 PM
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Scott,

If I'm not mistaken, the Pirelli PZero tires on the SS have a Y speed rating -- 186mph.

Why the discrepancy?
Old Apr 15, 2009 | 03:28 PM
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Does that mean the ZR1's tires are rated at 205mph?
Old Apr 15, 2009 | 03:32 PM
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Originally Posted by John_H
Does that mean the ZR1's tires are rated at 205mph?
There is only one tire available on Tires.com in 335/25ZR20 (the stock rear tire on the ZR1). It is the Michelin Pilot Sport PS2 Runflat. This is, as far as I know, the OEM tire on the ZR1.

It has a service rating of 94Y, where the Y indicates a max speed rating of 186mph -- same as the Camaro.
Old Apr 15, 2009 | 03:56 PM
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Which fuse is that speed limiter hooked up to again?
Old Apr 15, 2009 | 05:04 PM
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Originally Posted by JakeRobb
Scott,

If I'm not mistaken, the Pirelli PZero tires on the SS have a Y speed rating -- 186mph.

Why the discrepancy?
Ditto - at the very least they are W speed rated - which is 168 mph.

There actually isn't a tire speed rating that = 155 mph. V is up to 149 mph. the old "Z" rating used to mean 149+. Now all "Z" rated tires specify how far over 149, with the W (up to 168 mph) or Y (up to 186 mph) ratings.
Old Apr 15, 2009 | 07:57 PM
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Does anybody know if the Camaro has the program in which it can tell its on a race track and it disables its limiter. I know some new cars have this feature... I think I saw it on the Nissan GT-R. But I'm pretty sure GM could do it through OnStar.
Old Apr 15, 2009 | 08:00 PM
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Originally Posted by King Moose SS
Does anybody know if the Camaro has the program in which it can tell its on a race track and it disables its limiter. I know some new cars have this feature... I think I saw it on the Nissan GT-R. But I'm pretty sure GM could do it through OnStar.
you really think it will go that fast?

I would not want to be in a regular old street car at those speeds...esp. a heavy *** one....screw that, If I'm going to check out I dont want to do it like that...
Old Apr 15, 2009 | 08:15 PM
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Originally Posted by mdacton
you really think it will go that fast?

I would not want to be in a regular old street car at those speeds...esp. a heavy *** one....screw that, If I'm going to check out I dont want to do it like that...
http://wiki.answers.com/Q/What_is_to...camaro_SS_2010 thats how fast it can go

jk, it could probobly hit 170mph, but I don't know..... It'd be fun though to try
Old Apr 15, 2009 | 10:03 PM
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Originally Posted by King Moose SS
By golly, that's a pretty well-written and thorough answer, if I do say so myself.

Old Apr 15, 2009 | 10:20 PM
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You could always take your car here...http://www.ecta-lsr.com/ to see what it can do.
Old Apr 16, 2009 | 10:20 AM
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there are also the Texas Mile, Bonneville, El Mirage, Loring Air Force Base in Maine, and a new LSR venue in Lovelock, Nevada.
Old Apr 16, 2009 | 10:42 AM
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Originally Posted by King Moose SS
http://wiki.answers.com/Q/What_is_to...camaro_SS_2010 thats how fast it can go

jk, it could probobly hit 170mph, but I don't know..... It'd be fun though to try
I'd believe the lift answer as well, all around though, not just front end.
Old Apr 16, 2009 | 11:27 AM
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I wonder, if you where to later get properly rated tires, can the car be reprogrammed to change the cap, or remove it?
Old Apr 16, 2009 | 11:28 AM
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Originally Posted by King Moose SS
Does anybody know if the Camaro has the program in which it can tell its on a race track and it disables its limiter. I know some new cars have this feature... I think I saw it on the Nissan GT-R. But I'm pretty sure GM could do it through OnStar.
I haven't heard of any car other than the GTR that does this. PCM programming should be the easy way to clip the limiter, just like on our 4th gens. I'm more curious as to the reason for the 155 limit - mechanical and aerodynamic reasons, or a "let's not rock the boat too much" choice based on the German mfg gentlemen's agreement to limit many cars to 155 mph.



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