is hondata a standalone?
Better than steak
Joined: Jan 2000
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Re: is hondata a standalone? (PROFILEGSR)
a good post I saved from mark (b20c5 vtec)
"WOW!!! What a thread... Lots of good info, lots of bad info, and tons of swallowed and regurgitated ******. Here is what I know, based on experience (having tested and tuned many managment systems on many different makes of cars):
"Standalone Engine Managment": A microprocessor or discrete component based control unit that recieves all of its inputs directly from an engines sensors, calculates the necessary output requirements (on its own), and sends all of its outputs directly to the engines drivers (injectors, ignition module, VTEC, IAB, etc...). Standalone systems do NOT require any external components to recieve or send input or output signals, unless there are saleable options that can be added.
"Piggyback Engine Managment": A microprocessor or discrete component based control unit that modifys input signals to (or output signals from) a standalone engine managment system. In either case, a piggyback unit will not cause an engine to run on its own.
Now, I read the term "Hybrid" here in refrence to the Hondata system. That's fine for now. Just bear in mind that the Hondata box is not in the input/output stream and does not interpret or change the input or output signals. It does, however, provide the user ability to change parameters that directly affect the microprocessor calculations (IE fuel and ignition maps, among others). This leaves the ECU to run as a standalone unit.
The Hondata external box is connected to Denshikigens factory engineered IO port that originally allowed the Honda engineers to communicate with the *standalone* processor during program execution (for tuning purposes). Hondata played mix and match with the internal data map and uses this port only to protect the Hondata from being hacked. Call it standalone or call it hybrid.. I don't care. But call it inferior to any other standalone system for VTEC systems and you are a Fuc*ing RETARD.... PERIOD.
Go ahead (anyone) and name one other standalone system that allows you to map every ignition and fuel point for BOTH cam profiles at *every* RPM. You can't get that with the PMS, it isn't provided with the Haltech, and even most Motec don't deliver that kind of multicam support (at 5 times the price).
There is only one company (Honda) that has ever supplied the market with a proper engine managment for VTEC engines. Since then, only two companies (Hondata and Zdyne) have provided the market with a fully programmable version of that proper system. We have yet to see if the AEM unit stacks up.
My experience, my thoughts... Blah to the rest."
art
"WOW!!! What a thread... Lots of good info, lots of bad info, and tons of swallowed and regurgitated ******. Here is what I know, based on experience (having tested and tuned many managment systems on many different makes of cars):
"Standalone Engine Managment": A microprocessor or discrete component based control unit that recieves all of its inputs directly from an engines sensors, calculates the necessary output requirements (on its own), and sends all of its outputs directly to the engines drivers (injectors, ignition module, VTEC, IAB, etc...). Standalone systems do NOT require any external components to recieve or send input or output signals, unless there are saleable options that can be added.
"Piggyback Engine Managment": A microprocessor or discrete component based control unit that modifys input signals to (or output signals from) a standalone engine managment system. In either case, a piggyback unit will not cause an engine to run on its own.
Now, I read the term "Hybrid" here in refrence to the Hondata system. That's fine for now. Just bear in mind that the Hondata box is not in the input/output stream and does not interpret or change the input or output signals. It does, however, provide the user ability to change parameters that directly affect the microprocessor calculations (IE fuel and ignition maps, among others). This leaves the ECU to run as a standalone unit.
The Hondata external box is connected to Denshikigens factory engineered IO port that originally allowed the Honda engineers to communicate with the *standalone* processor during program execution (for tuning purposes). Hondata played mix and match with the internal data map and uses this port only to protect the Hondata from being hacked. Call it standalone or call it hybrid.. I don't care. But call it inferior to any other standalone system for VTEC systems and you are a Fuc*ing RETARD.... PERIOD.
Go ahead (anyone) and name one other standalone system that allows you to map every ignition and fuel point for BOTH cam profiles at *every* RPM. You can't get that with the PMS, it isn't provided with the Haltech, and even most Motec don't deliver that kind of multicam support (at 5 times the price).
There is only one company (Honda) that has ever supplied the market with a proper engine managment for VTEC engines. Since then, only two companies (Hondata and Zdyne) have provided the market with a fully programmable version of that proper system. We have yet to see if the AEM unit stacks up.
My experience, my thoughts... Blah to the rest."
art
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