Discussion Forums > The Lounge
Illegal? Or just fun?
CodeMonkey:
How cute, you just posted diagrams for what I just told you. Rev Limiters and Speed Governors are two different things for different functions. One prevents your engine from red lining and the othere prevents you from going too fast.
I also said that they work in conjunction. So what's your point?
Your little wiki prayer doesn't impress me. the ICS has been integrated into the ECM (Electronic Control Module) or ECU (Electronic Control Unit) for a looong time or is just referred to as the Electronic Control Module/Unit. I've been building performance engines for 20+ years. You didn't even think the "trick" of chipping a G35 existed. Go learn some more then talk to me. LOL!
TMRNetShark:
--- Quote from: CodeMonkey on September 11, 2011, 02:13:00 AM ---How cute, you just posted diagrams for what I just told you. Rev Limiters and Speed Governors are two different things for different functions. One prevents your engine from red lining and the othere prevents you from going too fast.
I also said that they work in conjunction. So what's your point?
Your little wiki prayer doesn't impress me. I've been building performance engines for 20+ years. You didn't even think the "trick" of chipping a G35 existed. Go learn some more than talk to me.
--- End quote ---
They are not two different things. An engine governor controls the RPMs, right? The Rev limiter is the SAME thing.
If they are two different things, prove it. Where is the "part" or the piece of the engine that limits the RPM? Modern cars have the combination of them both because the ECU knows what gear the car is in, thus limiting (or "governing") the RPM in 5th or 6th gear as well as limiting the engine from over-revving. You don't know what you are talking about. ::)
CodeMonkey:
--- Quote from: TMRNetShark on September 11, 2011, 02:19:30 AM ---
--- Quote from: CodeMonkey on September 11, 2011, 02:13:00 AM ---How cute, you just posted diagrams for what I just told you. Rev Limiters and Speed Governors are two different things for different functions. One prevents your engine from red lining and the othere prevents you from going too fast.
I also said that they work in conjunction. So what's your point?
Your little wiki prayer doesn't impress me. I've been building performance engines for 20+ years. You didn't even think the "trick" of chipping a G35 existed. Go learn some more than talk to me.
--- End quote ---
They are not two different things. An engine governor controls the RPMs, right? The Rev limiter is the SAME thing.
If they are two different things, prove it. Where is the "part" or the piece of the engine that limits the RPM? Modern cars have the combination of them both because the ECU knows what gear the car is in, thus limiting (or "governing") the RPM in 5th or 6th gear as well as limiting the engine from over-revving. You don't know what you are talking about. ::)
--- End quote ---
No, wait, you're not understanding. Let me explain in more detail. Also the Ford Governor you showed has been extinct and out dated for DECADES. LOL!
A speed governor will limit revs, but it will do it in one of two ways, one of which, the bad one, was on the 80s-90s Ford 5.0s. It will either start skipping sparks so only every other cylinder gets a spark or it will shut down the EFS (electronic Fuel supply) or it will shut down the spark all together (this is mostly an aftermarket performance type ignition, because avoiding the red line on performance engines is the utmost priority more so than on the stock car). The Fuel cut off one is horribad, because it will run an extremely lean fuel mixture for a period of time, which will cause a spike in temperature, that can and will warp aluminum heads. Either way, RPMs go down, car slows down.
Now, a Rev limiter on its own only starts skipping or delaying sparks when the revs get in the red, to prevent the damage I mentioned earlier. It has nothing to do with the cars actual speed, because the speed is controlled by the RPMs depending on the gear, which is monitored electronically by a trans mondule, also called a valve body inhibitor. Now, most cars in top gear, will reach the speed barrier long before the red line barrier, so it's the speed limiter that is limiting revs or activating the rev limiter. They are two very distinct and different mechanisms or functions that just have the same end result, that's why for the general bloke, it's just called an "Engine Governing System", which is BOTH the Rev Limiter/Governor and Speed Limiter/Governor.
The average performance enthusiast wants to remove the speed limiter, but NOT the rev limiter. Do understand that? The nice, easily removable and exchangeable ECM chip will do that.
The only one that doesn't know what he's talking about is you. The fact that you had to google that shit to find an outdated diagram and couldn't just explain it in a few words as well as saying chipping a G35 to get rid of the Speed Limiter is a nonexistant "Trick", proves you have no clue about this stuff. ::) :P LOL!
TMRNetShark:
--- Quote from: CodeMonkey on September 11, 2011, 02:29:17 AM ---No, wait, you're not understanding. Let me explain in more detail. Also the Ford Governor you showed has been extinct and out dated for DECADES. LOL!
A speed governor will limit revs, but it will do it in one of two ways, one of which, the bad one, was on the 80s-90s Ford 5.0s. It will either start skipping sparks so only every other cylinder gets a spark or it will shut down the EFS (electronic Fuel supply) or it will shut down the spark all together (this is an aftermarket performance type ignition). The Fuel cut off one is horribad, because it will run an extremely lean fuel mixture for a period of time, which will cause a spike in temperature, that can and will warp aluminum heads. Either way, RPMs go down, car slows down.
Now, a Rev limiter on its own only starts skipping or delaying sparks when the revs get in the red, to prevent the damage I mentioned earlier. It has nothing to do with the cars actual speed, because the speed is controlled by the RPMs depending on the gear. Now, most cars in top gear, will reach the speed barrier long before the red line barrier, so it's the speed limiter that is limiting revs or activating the rev limiter. They are two very distinct and different mechanisms or functions that just have the same end result, that's why for the general bloke, it's just called an "Engine Governing System".
The average performance enthusiast wants to remove the speed limiter, but NOT the rev limiter. Do understand that? The nice, easily removable and exchangeable ECM chip will do that.
--- End quote ---
So not only did you say that the Rev limiter and the governor do the SAME thing... but you fail to mention the "part" or piece of the engine the does the "rev limiting" and that isn't the governor. The only reason I showed you an old diagram is because there is no such thing as an engine part called the "rev limiter". The governor or rev limiter is the same thing. It's the same thing in modern cars (in the form of an ECU and ICS, or microchips controlling when the engine starts to cut out) and older cars that start to cut power to the spark plugs.
Modern cars have everything built into the ECU. Governor/Rev limiters are built into microchips. In OLDER cars (that don't use microchips)... where is the Rev limiters? WHERE? It's called a Governor for reason. Saying that a rev limiter and governor on a modern car are two completely different things is idiotic because everything is controlled by a computer (the ECU). The rev limiter is a NEEDED process that the ECU needs to keep track of, the electronic governor isn't (thus can be easily reflashed or program to remove it).
I am talking about OLDER cars (which you clearly ignore). Where is the Rev limiter on an OLDER car that has no microchips? Where?
Stop being ignorant. You admit that a rev limiter and governor is the SAME thing in a car (being controlled by the ECU) and have failed time and time again to point out where a rev limiter is on a non-computer controlled car. ::)
CodeMonkey:
You are clueless and repeating the same thing. I did not admit to anything, I said they are different mechanisms/functions that just have the same end result.
A rev limiter and a speed limiter are not the same thing, they are part of the same system and have the same results. Just because they are both programmed into the same Chip, does not make them the same thing. I explained their functionality very simply and if you still don't get it, I'm wasting my time. The ignorance is only on you.
If they are the "same" thing, why is it that you can remove the speed limiter, but can keep the red line rev limiter still present and active? Not the same thing, that's why. :P LOL!
What you keep calling the "same" thing is a HUGE system that controls everything from spark and valve timing timing to emission control and engine temp regulation, as well as everything in between. Things are not even close to your uneducated knowledge or your perception of them and your ignorance of car mechanics just makes me laugh.
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