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hondata questions

Old 12-26-2003, 11:17 AM
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Default hondata questions

I searched this topic but it came up with a lot of posts that have hondata in them and I couldn't find specific topics that addressed what i'm looking for. First off do you guys recommend hondata over the afc hack? I checked out the hondata site and looked at the s100 and s200 features and am a bit confused on some of them. If I call my hondata dealer will they be able to suggest what model and what features to get? Also I have read that you can get base maps for them. Do they make the base maps by what modifications you say you have or just by the type of the car? Can I order one of the models and have hondata put a base map on it so I can install it and at least get my car running, and then go to my hondata dealer and have them fine tune it for me? Can I use 450cc dsm injectors with a resistor box for my fuel supply? My final question is what do I have to do to my map sensor if i'm running 10-15 psi? Thanks in advance.
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Old 12-26-2003, 11:30 AM
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Default Re:hondata questions

Originally Posted by importpower
First off do you guys recommend hondata over the afc hack?
Yes. Always ECU tune over any hacks. But, bugest plays a large part in people's EM solutions. All depends on how much you want to put into your setup.

I checked out the hondata site and looked at the s100 and s200 features and am a bit confused on some of them. If I call my hondata dealer will they be able to suggest what model and what features to get?
Maybe. I would research that mostly on your own, then ask them and see if they give you the same answer. This way, you know if they're in it for the money, or to actually help you so you keep coming back. Chances are all you need is boost.

Also I have read that you can get base maps for them. Do they make the base maps by what modifications you say you have or just by the type of the car?
Base maps are made by them for common setups.
Your local Hondata Tuner will have them.


Can I order one of the models and have hondata put a base map on it so I can install it and at least get my car running, and then go to my hondata dealer and have them fine tune it for me?
That is how they send the system to you.

Can I use 450cc dsm injectors with a resistor box for my fuel supply?
Hondata says no, but, I don't run Hondata specifically. Hondata swears by RC, but of course, they're in "business" together. I wouldn't see why they wouldn't work since it's still your ECU controlling them.


My final question is what do I have to do to my map sensor if i'm running 10-15 psi?
10-12 is fine for stock, 13+ I would get a 2, or 3 bar (whichever is easiest to obtain) MAP sensor.

Thanks in advance. No prob, dude.
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Old 12-26-2003, 04:59 PM
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Default Re:hondata questions

If i'm going to have a dealer tune it then I don't need datalogging and ROM Editing software because they will do it for me, correct? Do I need to replace the old fuel pump with a walbro 255?
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Old 12-26-2003, 05:24 PM
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Default Re:hondata questions

I don't beleive that you have to because the ecu will not raise the fuel pressure the way an FMU will. But Just to be on the safe side I'm replacing mine so I don't have any questions later on down the road.
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Old 12-26-2003, 06:18 PM
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Default Re:hondata questions

Originally Posted by importpower
If i'm going to have a dealer tune it then I don't need datalogging and ROM Editing software because they will do it for me, correct?
If they are an Authorized Hondata Dealer, then they will have the software themselves, and you won't need it. Just make sure they are authorized. You can check this on Hondata's website. Even if they are not authorized, make sure they have version 3.5, and not 2.5 otherwise they won't be able to tune your s200.

Do I need to replace the old fuel pump with a walbro 255?
No. I run 10psi daily driven on my stock pump. I have no fuel supply issues. You should be able to use it at least to 13 reliabily. 15, I have never heard of anyone doing 15 on stock internals. Normally if someone is going to that "extereme", they've already replaced it anyway. Walbro 255s, are $100 shipped from http://www.fuel-pumps.net. I've ordered 3 from them with 0 shipping issues.
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Old 12-26-2003, 07:03 PM
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Default Re:hondata questions

I would look into getting datalogging and all the extra goodies so you can tune it yourself just incase you want to in the future.
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Old 12-27-2003, 09:58 AM
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Default Re:hondata questions

Originally Posted by beerbongskickass
I would look into getting datalogging and all the extra goodies so you can tune it yourself just incase you want to in the future.
..$1200!!!
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Old 12-28-2003, 11:56 AM
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Well if your going to buy hondata you might as well go all out.
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Old 12-28-2003, 11:47 PM
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Default Re:hondata questions

Is hondata fully tunable on the street without a dyno if I get the proper programs or is it too big of a pain in the ***? On the site it said something about chip burning but I thought hondata is like ems you make adjustments through a laptop (or the dyno operators computer). I understand datalogging but why is there a ROM Editor V3, Romulator, and a Programmer? Which one(s) do I need? What is 3 step rev limiter? How hard is it to tune hondata because i'm still really confused? I downloaded the demos and didn't know what the heck was going on nor know how to read and adjust fuel tables. Is there a really basic guide somewhere on how to tune? When I understand how to tune will I need the G Sensor Module? And lastly, do I have to use the wideband o2 that they sell? Sorry about the barrage of questions I just don't have anyone around where I live that I can get answers from.
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Old 12-29-2003, 10:17 AM
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Default Re:hondata questions

Originally Posted by importpower
Is hondata fully tunable on the street without a dyno if I get the proper programs or is it too big of a pain in the ***?
Nothing is "fully tunable" on the street without a wideband O2 sensor. You can purchase a kit (TechEdge is like $450 or something) and tune OK on the street. The whole idea behind doing it on a dyno is to let you know if the changes you're making are actually creating more power.

On the site it said something about chip burning but I thought hondata is like ems you make adjustments through a laptop (or the dyno operators computer). I understand datalogging but why is there a ROM Editor V3, Romulator, and a Programmer? Which one(s) do I need?
There are several ways to tune a Hondata based management system. 1) The ROM editor + ROMulator. This method lets you use the ROMEditor software (the application that actually views the maps and ROM options) to modify characteristics about the tunes, then use the programmer to burn the EEPROMs and put the chip in the ECU. 2) ROM Editor + ROMulator. This setup lets you use the ROMEditor to make realtime changes to the car while it's running. Then you save these changes to the ROM, burn the EEPROM and put the chip in the ECU. Either of these options are viable, the "hot setup" is the real-time programming setup with the ROMulator. This way you're not burning, and reburning to get the proper tune. IT's move convient.

What is 3 step rev limiter?
This is Launch Control for holding a rev while launching. Full Throttle Shift control for setting the RPM to FTS, then modification of your original rev limit for gaining of upper end power.

How hard is it to tune hondata because i'm still really confused?
It's simple once you understand basic scientific principles about how air, fuel, and spark are related, and what it takes to create power. Do some studying, there are a few good books out there to get you started.


I downloaded the demos and didn't know what the heck was going on nor know how to read and adjust fuel tables. Is there a really basic guide somewhere on how to tune?
I probably wouldn't trust a lot of little how-tos on the Internet. Use them for reference.

When I understand how to tune will I need the G Sensor Module?
G-sensor is OK. Basically, it's a gravitaltional sensor that lets the Hondata software estimate your HP + TQ based on how fast you accelerate. Some say they're accurate, others say not. Personally, if you have a dyno, I would go there, but use whatever you can get your hands on..

And lastly, do I have to use the wideband o2 that they sell?
You don't have to, but, WBO2 is more accurate than the single wire O2 you have. As for using "thiers", naa, you can order your own form other companies. Some have better deals. It should all work, however, some may not interface with the Honda software directly. I would consult Hondata on which ones work.

Sorry about the barrage of questions I just don't have anyone around where I live that I can get answers from.
...np, dude.
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