Speed Governor - Dodge Charger Forums
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#1 Old 09-11-2009, 01:37 AM
V6police
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Speed Governor

Where is it set on the 3.5 cars? I know the hemi powered cars are in the 140 zone but what about the V6 cars.
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#2 Old 09-11-2009, 06:22 AM
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Run an advanced search within the V6 specific category. You will find copious threads on speed limiter/governor etc...

-GB

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#3 Old 09-11-2009, 06:33 AM
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Quote:
Originally Posted by GB49 View Post
Run an advanced search within the V6 specific category. You will find copious threads on speed limiter/governor etc...

-GB
Or in less words than you just typed you probably could have just answered his question.

Brian



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#4 Old 09-11-2009, 08:07 AM
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Top speed allowed by the cars programming is almost always not driven by engine size, but by the tires that come stock on the car. Now, bigger engines almost always get better tires, and with those better tires, a higher limiter, but its the tires rated speed that drives the limiter.

Now, the stock tires for the 2008 SE Plus charger, those are the Goodyear Integrity, 215/65R17
Load Index 98 = 1653lbs (750kg) per tire
Speed Rating “T” = 118mph (190kph) 98T SL

So, given the tires rated speed of 118, and the factorys usual penchant for keeping the limiter a couple mph below the rated, the limit should be in the 115mph range.

Now, the "normal" RT comes with tires that are rated at 130mph, ands it limiter is set at I believe 128mph. Daytonas, they get 149mpg rated, and I think a 145 or so limiter. The SRTs tires are rated to 186, which is about 13-15mph over the speed the car caould possibly achieve, and so, the car has no limiter, since the tires are more capable than the car.

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#5 Old 09-14-2009, 11:44 AM
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GLHS837 your answer is the best answer to any question

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#6 Old 09-14-2009, 01:27 PM
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Quote:
Originally Posted by GLHS837 View Post
Top speed allowed by the cars programming is almost always not driven by engine size, but by the tires that come stock on the car. Now, bigger engines almost always get better tires, and with those better tires, a higher limiter, but its the tires rated speed that drives the limiter.

Now, the stock tires for the 2008 SE Plus charger, those are the Goodyear Integrity, 215/65R17
Load Index 98 = 1653lbs (750kg) per tire
Speed Rating T = 118mph (190kph) 98T SL

So, given the tires rated speed of 118, and the factorys usual penchant for keeping the limiter a couple mph below the rated, the limit should be in the 115mph range.

Now, the "normal" RT comes with tires that are rated at 130mph, ands it limiter is set at I believe 128mph. Daytonas, they get 149mpg rated, and I think a 145 or so limiter. The SRTs tires are rated to 186, which is about 13-15mph over the speed the car caould possibly achieve, and so, the car has no limiter, since the tires are more capable than the car.
well done sir, and i agree.

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#7 Old 09-14-2009, 02:16 PM
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Ummm, the SRT8's are limited at 170 MPH (or 190 with a Predator)...
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#8 Old 09-14-2009, 03:21 PM
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Um, depends on who you ask SRT says no limiter, some folks say there is one. Me, I'll take SRTs word.
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#9 Old 09-14-2009, 03:57 PM
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Originally Posted by GLHS837 View Post
Um, depends on who you ask SRT says no limiter, some folks say there is one. Me, I'll take SRTs word.
Cool! Can you point to a reference, or say where you hear it (more specifically that is)?
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#10 Old 09-14-2009, 08:16 PM
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I'll have to dig, it was back ina few mag articles, and I think also in the SRT chat.
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