supercharger with stock ecu?
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supercharger with stock ecu?
Hiya!
Im looking at supercharging my s2000. I have heard that comptech do a supercharger that works with the stock ecu, are they the only ones who do this?
secondly, I wanted to know if anyone else has done this, and what the emission differences were by test, between stock and supercharged....
For my age car (2005) the carbon monoxide level must be 0.3 or less, which is what the stock honda has -does this go up by adding a supercharger? As theres more air and fuel going in, then surely more carbon monoxide coming out? Maybe someone happens to know what their cars emissions were before and after the supercharger install?
Im looking at supercharging my s2000. I have heard that comptech do a supercharger that works with the stock ecu, are they the only ones who do this?
secondly, I wanted to know if anyone else has done this, and what the emission differences were by test, between stock and supercharged....
For my age car (2005) the carbon monoxide level must be 0.3 or less, which is what the stock honda has -does this go up by adding a supercharger? As theres more air and fuel going in, then surely more carbon monoxide coming out? Maybe someone happens to know what their cars emissions were before and after the supercharger install?
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Yes two companies do this comptech and vortech. They use a rising rate fuel pressure regulator to supply the extra fuel with oem injectors and ecu. If you calibrate things well, I wouldn’t doubt that you could pass. It would require very added fuel within the test parameters if any at all. Any static fuel pressure increase on the s2000 is compensated for in the closed loop fuel trims. I imagine it would be the same for most cars. Comptech makes the better RRFPR by the way, with easy adjustability, so if you are piecing together a sc kit, keep this in mind. Hope this helps.
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cheers for that....
you say about proper calibration--- what is there to calibrate? I thought the supercharger somes with esm, and uses stock ecu.. figured its just a bolt on affair?
The problem ist that I cant afford for the emissions to be any worse... Im passing now, but cant have the carbon monoxide go any higher...
ive just been reading up on carb, as the comptech passes carb... Read that california has got more stringent laws on emissions than most other states....
Just cant seem to find out what the emissions tolerances are in order to pass the carb level, anyone know where is says what the nox etc values are?
you say about proper calibration--- what is there to calibrate? I thought the supercharger somes with esm, and uses stock ecu.. figured its just a bolt on affair?
The problem ist that I cant afford for the emissions to be any worse... Im passing now, but cant have the carbon monoxide go any higher...
ive just been reading up on carb, as the comptech passes carb... Read that california has got more stringent laws on emissions than most other states....
Just cant seem to find out what the emissions tolerances are in order to pass the carb level, anyone know where is says what the nox etc values are?
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Sorry I cant help you with actual parameters.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
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Sorry I cant help you with actual parameters.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
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Originally Posted by s2000Junky' timestamp='1353101537' post='22155986
Sorry I cant help you with actual parameters.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
Calibration as far as fuel adjustment on the RRFPR, as mentioned it is adjustable. It’s a simple adjustment, but you want to make sure it’s adjusted within the range that isnt going to cause any excessive fuel problems for the test. As mentioned closed loop should account for this within a range, just done step outside of that range. I would recommend installing a fuel pressure gauge to help you with this, that would be the best/safest approach, if you set it for the factory pressure on that car, then you should be good, however this may prove to not be enough fuel for boost, so just set it conservatively to insure passing emissions and then when done throw that setting out the window and adjust for a safe boosted afr. 6-7 psi is max boost on the s2k for this system to work, I don’t know what it will be on your car and the rising rate may not be idea with it set as is, so your going to be learning a few things as you adjust it.
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From: dfw
when i was at 6 psi to get a good afr idle pressure was 55-58 psi at 7 psi 62-68 psi to pass emissions 40-45 psi idle as junky said adjust as needed to get a safe fuel curve i personally wouldn't go by thread count as the pressure washer deforms over time changing the spring tension along with it i recommend a fuel pressure gauge i use a temporary setup to dial every thing in then remove it to lessen the chance of fuel leak
good luck on your project
good luck on your project
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From: Vienna, VA
Just as a data point, my SOS Stage 1 passes emissions in Fairfax County, Virginia (DC area).
CARB is a certification that costs a good bit of time and money. Anything CARB should pass emissions, but just because it's not CARB certified doesn't mean it wont' pass.
CARB is a certification that costs a good bit of time and money. Anything CARB should pass emissions, but just because it's not CARB certified doesn't mean it wont' pass.