Speed governer
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10,617 Posts
Re: Speed Resistor??
[quote author=MetalCord link=topic=71065.msg1247645#msg1247645 date=1173024411]
Actually, the governer kicks in at 118 mph. That is a little lame, but in all honesty, who needs to go that fast off of a track?
[/quote]
mine kicks in at 114....not that i know from experience or anything.
[quote author=MetalCord link=topic=71065.msg1247645#msg1247645 date=1173024411]
Actually, the governer kicks in at 118 mph. That is a little lame, but in all honesty, who needs to go that fast off of a track?
[/quote]
mine kicks in at 114....not that i know from experience or anything.
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9,467 Posts
[quote author=amru link=topic=71065.msg1338638#msg1338638 date=1176679328]
is this a speed governor or is it drag/power limited? and if it is indeed a governor.. any way to remove it? [no i didnt search]
[/quote]
Not really, it is an electronic speed governor that cuts fuel and spark. It is set for 117.5mph on the 3i and 3s. The only way to defeat it would be a stand alone ECU or finding a way to hack the existing one (or giving favors to a mazda dealership to use their ECU program tools to remove it aparently).
Who the heck really needs to go that fast on public roads though? Unless you race your car and also have the output pumped up a fair amount to actually manage speeds above that on a normal race track you don't need to defeat it.
My guess is the 3i and 3s hatch would be drag limited around 130-135mph and the 3s sedan around 135-140mph (the 3s hatch has much higher aero drag then the sedans do, even though it has higher engine output then the 3i...but its not by that much).
-Matt
is this a speed governor or is it drag/power limited? and if it is indeed a governor.. any way to remove it? [no i didnt search]
[/quote]
Not really, it is an electronic speed governor that cuts fuel and spark. It is set for 117.5mph on the 3i and 3s. The only way to defeat it would be a stand alone ECU or finding a way to hack the existing one (or giving favors to a mazda dealership to use their ECU program tools to remove it aparently).
Who the heck really needs to go that fast on public roads though? Unless you race your car and also have the output pumped up a fair amount to actually manage speeds above that on a normal race track you don't need to defeat it.
My guess is the 3i and 3s hatch would be drag limited around 130-135mph and the 3s sedan around 135-140mph (the 3s hatch has much higher aero drag then the sedans do, even though it has higher engine output then the 3i...but its not by that much).
-Matt
I actually maxed mine out on I5. 
I bought a portable GPS, and was trying to see how good high I could get on the max speed.
I was kind of pissed off that a car that is geared as short as our 3s 5M is would be limited by the computer and not by the gearing.
Especially considering how stable it was at 115 mph.
I bought a portable GPS, and was trying to see how good high I could get on the max speed.
I was kind of pissed off that a car that is geared as short as our 3s 5M is would be limited by the computer and not by the gearing.
Especially considering how stable it was at 115 mph.
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