Turbocharging the DBW S2000
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Turbocharging the DBW S2000
Alrighty then... well here is your bible for turbocharging the DBW car. These are problems or observations that I have run into while turboing my DBW car. While I have things that I have probably left out, realize that I can help. If you have any questions, let me know and I'll be happy to try and point you in the right direction.
Without further crankyanking, here's the help:
There are a few things that are going to be different than any other S2000 in regards to turbocharging:
-Fuel injectors are different. You will need RSX injectors of whatever size you choose. I have 1000cc injectors to compensate for our cars lack of a return fuel system. All other S2000's have a return fuel system and that is a negative when it comes to tuning these cars. In order to run a good amount of boost, you need a bigger injector to compensate for our fuel systems shortcomings. Also, using these injectors means you will have to figure out a different spacer for the injectors to the fuel rail. A few of washers or a couple nuts do the job just fine.
******I am in the process of converting to a return fuel system and will post the parts necessary and the procedure. I'll keep everyone posted.******
-You will need a bigger fuel pump. I'm using a Walbro 255 lph fuel pump, which is the standard in fuel pump upgrades for this car. This fuel pump doesn't fit without modification to the housing on our cars because of our fuel system setup. You need to trim number 4 in this picture in order for the fuel pump to fit. Take the assembly apart and try to fit the pump in there and close it... you'll understand how to trim it.
-Engine management. Now here is where things get tricky. Assuming that Greddy actually releases their kit for the DBW car, then you can probably dis-regard everything that I have said so far and it will be plug and play should you decide on the Greddy kit. I have gone the other route (Inline Pro kit modifed for DBW use) because I know that just over 300 whp is not enough for me to justify a roughly $6000 price tag. I am currently running a prototype of the soon to be released Hondata K-Pro standalone engine management system for the DBW cars. The only other options available to you at this point would be the following:
-AEM FIC: apparently this functions similar to a Greddy E-Manage Ultimate. It is a piggyback unit that has limited functions in comparison to a standalone.
-Greddy E-Manage: 100% what would come with a Greddy turbo kit. See above for it's tuning capability.
-AEM Standalone by Mike at Autowave in Long Beach California: This is the first real step in standalone engine mangagement for this car. It's a fully functional, fully programable AEM engine management for this car. It uses a modified harness to plug an AEM ECU into this car. The downside to this setup is that you lose some of the things that make this version of the S2000 appealing... you will lose VSA (your traction control) and your check engine light will stay on at all times. I think this is a shorcut on legitimate tuning for this car so I opted out.
-Hondata K-Pro: I have the only working version of this in the country. It will be coming out at some point, but I cannot tell you exactly when. I will say that it is better than ANY other standalone I have ever used without doubt. I am not saying this without cause or experience. I had a heavily modified EVO before this car and know what it takes to make a safe reliable car and tune it properly. Mike at Autowave has done a good job with his setup, but Hondata has, simply put, one-upped the ante. I can't really give you details on why I say this because Hondata has asked me not to, but trust me when I say this: you will want to wait for this system to come out and the time is coming.
The only other real issue I have run into on this car is the IAT (intake air temperature) sensor. If you take a look at the intake elbow on your car you'll notice a sensor on the rubber tubing. This is the IAT sensor. This needs to be plumbed into the intercooler piping on whatever setup you choose. Problem being, if you notice, that it uses a rubber grommet to plug into the factor rubber intake elbow. This will NOT work in a boosted environment. I have gone a different route with this sensor. I have used a IAT off of an 1996 Accord V-6 LX because it uses a threaded brass fitting. I just had a bung welded onto my intercooler pipng and spliced the wiring. If you're set on waiting for the Greddy kit, this may not apply to you.
Otherwise, there are probably a few other issues I have run into along the way or tips that I would give out. This was a much bigger undertaking than I thought it would be, but 430 rwhp and 285 lb/ft later, on a conservative tune, it was worth every penny. I can try to help you along the way and answer any questions, but if it's in regards to the Hondata K-Pro, it seems as though the wait is almost over for everyone, so stay patient.
-Brandon
Without further crankyanking, here's the help:
There are a few things that are going to be different than any other S2000 in regards to turbocharging:
-Fuel injectors are different. You will need RSX injectors of whatever size you choose. I have 1000cc injectors to compensate for our cars lack of a return fuel system. All other S2000's have a return fuel system and that is a negative when it comes to tuning these cars. In order to run a good amount of boost, you need a bigger injector to compensate for our fuel systems shortcomings. Also, using these injectors means you will have to figure out a different spacer for the injectors to the fuel rail. A few of washers or a couple nuts do the job just fine.
******I am in the process of converting to a return fuel system and will post the parts necessary and the procedure. I'll keep everyone posted.******
-You will need a bigger fuel pump. I'm using a Walbro 255 lph fuel pump, which is the standard in fuel pump upgrades for this car. This fuel pump doesn't fit without modification to the housing on our cars because of our fuel system setup. You need to trim number 4 in this picture in order for the fuel pump to fit. Take the assembly apart and try to fit the pump in there and close it... you'll understand how to trim it.
-Engine management. Now here is where things get tricky. Assuming that Greddy actually releases their kit for the DBW car, then you can probably dis-regard everything that I have said so far and it will be plug and play should you decide on the Greddy kit. I have gone the other route (Inline Pro kit modifed for DBW use) because I know that just over 300 whp is not enough for me to justify a roughly $6000 price tag. I am currently running a prototype of the soon to be released Hondata K-Pro standalone engine management system for the DBW cars. The only other options available to you at this point would be the following:
-AEM FIC: apparently this functions similar to a Greddy E-Manage Ultimate. It is a piggyback unit that has limited functions in comparison to a standalone.
-Greddy E-Manage: 100% what would come with a Greddy turbo kit. See above for it's tuning capability.
-AEM Standalone by Mike at Autowave in Long Beach California: This is the first real step in standalone engine mangagement for this car. It's a fully functional, fully programable AEM engine management for this car. It uses a modified harness to plug an AEM ECU into this car. The downside to this setup is that you lose some of the things that make this version of the S2000 appealing... you will lose VSA (your traction control) and your check engine light will stay on at all times. I think this is a shorcut on legitimate tuning for this car so I opted out.
-Hondata K-Pro: I have the only working version of this in the country. It will be coming out at some point, but I cannot tell you exactly when. I will say that it is better than ANY other standalone I have ever used without doubt. I am not saying this without cause or experience. I had a heavily modified EVO before this car and know what it takes to make a safe reliable car and tune it properly. Mike at Autowave has done a good job with his setup, but Hondata has, simply put, one-upped the ante. I can't really give you details on why I say this because Hondata has asked me not to, but trust me when I say this: you will want to wait for this system to come out and the time is coming.
The only other real issue I have run into on this car is the IAT (intake air temperature) sensor. If you take a look at the intake elbow on your car you'll notice a sensor on the rubber tubing. This is the IAT sensor. This needs to be plumbed into the intercooler piping on whatever setup you choose. Problem being, if you notice, that it uses a rubber grommet to plug into the factor rubber intake elbow. This will NOT work in a boosted environment. I have gone a different route with this sensor. I have used a IAT off of an 1996 Accord V-6 LX because it uses a threaded brass fitting. I just had a bung welded onto my intercooler pipng and spliced the wiring. If you're set on waiting for the Greddy kit, this may not apply to you.
Otherwise, there are probably a few other issues I have run into along the way or tips that I would give out. This was a much bigger undertaking than I thought it would be, but 430 rwhp and 285 lb/ft later, on a conservative tune, it was worth every penny. I can try to help you along the way and answer any questions, but if it's in regards to the Hondata K-Pro, it seems as though the wait is almost over for everyone, so stay patient.
-Brandon
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Thanks for the info
You have almost summarized everything .....
Sure will bet back to you when needed
Now since there is a hope that K-pro will be some day available, I will go with EMU that came with the kit, and when the K-pro is released will sell remove the EMU and go with the hondata
You have almost summarized everything .....
Sure will bet back to you when needed
Now since there is a hope that K-pro will be some day available, I will go with EMU that came with the kit, and when the K-pro is released will sell remove the EMU and go with the hondata
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From: Albuquerque, NM
Originally Posted by smirfs2k05,Oct 8 2008, 02:15 AM
Do you have a link to your current set up or pics, dynos ?
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Thread Starter
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From: Albuquerque, NM
That sounds pretty good actually. Those reasons are why I went with the K-Pro over the AEM setup, but it sounds like a decent option for those unwilling to wait for the K-Pro to be released.
