Hondata ECU Reflash is out ** '05 MT & '06 AT/MT now available! p.37**
#82
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i have the injen intake. im considering whether or not to rush onto some headers now. so many things to do but i may go outta town for school...
1) how much damage would this do to my warrunty, cuz i wouldnt mind tricking them if icoudl by not letting them know about it. but someone mentioned buying a spereate ecu and you think it wont work? i would like to interchange the ecu's if possible.
2) what happens if you go forced induction later, any way of you guys upgrading the tuning or do we have to sell our ecu now and get anew one.
i could think of more questions , but in good time
1) how much damage would this do to my warrunty, cuz i wouldnt mind tricking them if icoudl by not letting them know about it. but someone mentioned buying a spereate ecu and you think it wont work? i would like to interchange the ecu's if possible.
2) what happens if you go forced induction later, any way of you guys upgrading the tuning or do we have to sell our ecu now and get anew one.
i could think of more questions , but in good time
#84
Cost Drivers!!!!
Originally Posted by Tsx536
So the Comptech Header does not add any extra noise?
I already have Injen intake. You guys think adding Comptech Headers will make it any louder?
I already have Injen intake. You guys think adding Comptech Headers will make it any louder?
no it will not add noise......no worries, go ahead and get'em. Your intake is like an angry elephant compared to a church mouse noise the headers will add.
#86
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Originally Posted by taewlee
you can find alot of answers at www.vtec.net read the article there, explains alot
anyways, their tsx dynoed 190 at the wheels with just the aem short ram and dc header. Maybe with the injen cai, dc header, and single exhaust, we can get our cars to around 200 at the wheels which would mean our car would be at around 240hp at the crank =D =D =D
anyways, their tsx dynoed 190 at the wheels with just the aem short ram and dc header. Maybe with the injen cai, dc header, and single exhaust, we can get our cars to around 200 at the wheels which would mean our car would be at around 240hp at the crank =D =D =D
#87
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the tovt site had intake, headers, gasket. then they dynoed with and without. showing very minimal gains in comparison
but theyre base wasnt very high with the intake, header and gasket so i dont get it?
but theyre base wasnt very high with the intake, header and gasket so i dont get it?
#88
Senior Moderator
I'll be really interested to see what the dyno results are without and header or even an intake for that matter.(And for the AT) No way in hell I'm getting a header.
hondata, are you expecting similar gains with the AT?
hondata, are you expecting similar gains with the AT?
#89
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Originally Posted by xizor
their tsx benches abnormally high, compare it to their baseline. I dyno'd 175whp w/ a CAI and 180 w/ CAI and hondata gasket. stokless has the highest w/ I/H/E and is only 184 or so, so theirs is a bit... off.
#90
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Originally Posted by yfin
Guys - the Hondata dyno charts are at the fly - not at the wheels. So whoever has 184 sounds like they are still king - for now
#91
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Originally Posted by xizor
these are independent TOV benchs, their dynos are at the wheels
#93
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Originally Posted by yfin
yep yep yep - I follow. Reading the TOV article again - they do say that that dyno usually reads about 10hp high
Their base dynoed at 177, more than mine with a CAI. and w/ SRI, they dynoed 186, more than Stokeless w/ his I/H/E. Either their dyno results in more than normal, or they got a very strong engine from the factory
#94
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Great news. Im ready to buy one now...
So if I've got this right, we have to take our car to one of the Hondata dealers? Or do we remove ourselves the ECU and bring it to them?
Can this be a group buyable product?
So if I've got this right, we have to take our car to one of the Hondata dealers? Or do we remove ourselves the ECU and bring it to them?
Can this be a group buyable product?
#95
Ok, so what's the deal with the gains? The product claims to have 29 hp increase, but that's only to the flywheel. If you figure mechanical loss into there, we can expect how much? 10-12 hp to the wheels?
And also, this question has been asked several times. What is the procedure for the flash?
I called Acura of South Bay (authorized Hondata dealer) and they quoted me 640 installed for the flash and 5-6 hours total for labor. So I'm assuming they can flash at that facility. Anyone have any insight?
More importantly, I wanna know how much power we can expect at the wheels!! If it's only 10-12 WHP, this isn't worth if for me, and I'll just wait for a turbo to come out.
And also, this question has been asked several times. What is the procedure for the flash?
I called Acura of South Bay (authorized Hondata dealer) and they quoted me 640 installed for the flash and 5-6 hours total for labor. So I'm assuming they can flash at that facility. Anyone have any insight?
More importantly, I wanna know how much power we can expect at the wheels!! If it's only 10-12 WHP, this isn't worth if for me, and I'll just wait for a turbo to come out.
#96
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Originally Posted by loxllxol
Ok, so what's the deal with the gains? The product claims to have 29 hp increase, but that's only to the flywheel. If you figure mechanical loss into there, we can expect how much? 10-12 hp to the wheels?
And also, this question has been asked several times. What is the procedure for the flash?
And also, this question has been asked several times. What is the procedure for the flash?
I believe all flashs are done at Hondata's facility, the dealers should package and send in your ECU.
#97
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yes!
First off, thank God that this is out, I bought this car praying that Hondata would come out cause acceleration is weak to say the least coming from an Integra type R.
Second, I see that there is some confusion about the dynos. First off, you cannot compare two dyno plots done on two different dynos. Temperature, humidity, correction factor, altitude, and the way the operator has the settings all have an effect to a certain extent even with corrected numbers. Do not put too much faith into peak numbers of any kind. Sure, TOV's dyno might read high but high compared to what? The important thing is the # increase over stock rather than the number itself. It does not really matter at all whether Strokeless's car makes the same or more hp; two different dynos on two different days- no way of comparing the two accurately. Peak numbers dont mean shit anyway when racing so no reason to get worked up here.
Third, the Hondata dynos were done on a DYNOPACK not a DYNOJET. The difference is that DYNOPACK measure hp from the hubs, so losses from the weight of the wheels and the flexing of rubber onto the roller is diminished. GENERALLY speaking, that equates to about 5% less drivetrain loss depending on the weight of the wheels and the tires on the car (note: contrary to popular belief most drivetrain loss cannot be calculated as a percentage but rather as a set amount with a small percentage being attributed to physics so perhaps as someone said 10 hp is a more accurate way of saying basically the same thing). Therefore, this number is neither "at the wheels" or flywheel. Since dynos done separately should not be compared anyway, dynopacks are the more accurate dyno. You simply can account for more variables from what I understand at least- I'm not an operator of a dyno.
Note there has been a huge dispute on dynopacks vs dynojets as far as numbers go. The F22C's on the AP2 S2k's dynoed much much better on dynopacks than dynojets. I do not think it was ever resolved but they were consistently running 20 hp + more than 02-03's which had 5 hp more than 00-01's on DYNOPACKS. However, on dynojets, except for one plot, the difference compared to F20C S2k's was much much smaller- less than 10 hp.
One question though, I read that you guys (Hondata) will be testing the TSX with new cams. Does this mean that there will be another reflash avaliable for TSX's with cams as there will be no K-PRO correct? Also, any insight into who is making the cams? I know Skunk 2 is making some. I would really like to get some more top end umph. Right now, cams seem to be the main inhibitor.
Second, I see that there is some confusion about the dynos. First off, you cannot compare two dyno plots done on two different dynos. Temperature, humidity, correction factor, altitude, and the way the operator has the settings all have an effect to a certain extent even with corrected numbers. Do not put too much faith into peak numbers of any kind. Sure, TOV's dyno might read high but high compared to what? The important thing is the # increase over stock rather than the number itself. It does not really matter at all whether Strokeless's car makes the same or more hp; two different dynos on two different days- no way of comparing the two accurately. Peak numbers dont mean shit anyway when racing so no reason to get worked up here.
Third, the Hondata dynos were done on a DYNOPACK not a DYNOJET. The difference is that DYNOPACK measure hp from the hubs, so losses from the weight of the wheels and the flexing of rubber onto the roller is diminished. GENERALLY speaking, that equates to about 5% less drivetrain loss depending on the weight of the wheels and the tires on the car (note: contrary to popular belief most drivetrain loss cannot be calculated as a percentage but rather as a set amount with a small percentage being attributed to physics so perhaps as someone said 10 hp is a more accurate way of saying basically the same thing). Therefore, this number is neither "at the wheels" or flywheel. Since dynos done separately should not be compared anyway, dynopacks are the more accurate dyno. You simply can account for more variables from what I understand at least- I'm not an operator of a dyno.
Note there has been a huge dispute on dynopacks vs dynojets as far as numbers go. The F22C's on the AP2 S2k's dynoed much much better on dynopacks than dynojets. I do not think it was ever resolved but they were consistently running 20 hp + more than 02-03's which had 5 hp more than 00-01's on DYNOPACKS. However, on dynojets, except for one plot, the difference compared to F20C S2k's was much much smaller- less than 10 hp.
One question though, I read that you guys (Hondata) will be testing the TSX with new cams. Does this mean that there will be another reflash avaliable for TSX's with cams as there will be no K-PRO correct? Also, any insight into who is making the cams? I know Skunk 2 is making some. I would really like to get some more top end umph. Right now, cams seem to be the main inhibitor.
#98
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one last thing: to the poster above, dont get too worked up about peak numbers. You would be supprised how much horsepower under the curve will improve acceleration. I've seen ITR's with cams with only like 10 hp more than bolt-on ITR pull away from the bolt-on one because it made 20 hp more in the fat part of the powerband.
#99
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First off Hondata Thankyou for your hard work, gonna sell those springs and start putting money aside, cant wait for this, Thankyou So Much....
TSX is gonna rip!...lol, Can't wait to have this in my car, thankyou
TSX is gonna rip!...lol, Can't wait to have this in my car, thankyou
#100
Special-K
What would you have to do with a Reflashed ECU once you decide to put a turbo kit onto the TSX?? Can you use that same ECU or will you have to purchase another? And whats with the cams? If you make cams, will you need to make an application for those cams?..Higher the rev limiter again? (8,500rpms! ) when will u test cams on the TSX with hondata?? Is there a Hondata tune for an exhaust system?..(e/i/h/reflash?) Can someone post RPM and WHP numbers that you should expect right now from this Reflash with intake and header?? All these numbers can be confusing!!
#101
Photography Nerd
Originally Posted by PrecyseStylez
What would you have to do with a Reflashed ECU once you decide to put a turbo kit onto the TSX?? Can you use that same ECU or will you have to purchase another? And whats with the cams? If you make cams, will you need to make an application for those cams?..Higher the rev limiter again? (8,500rpms! ) when will u test cams on the TSX with hondata?? Is there a Hondata tune for an exhaust system?..(e/i/h/reflash?) Can someone post RPM and WHP numbers that you should expect right now from this Reflash with intake and header?? All these numbers can be confusing!!
2) You can use the ECU that came with your car
3) Hondata doesn't make cams but they're saying that intake cams could be a big improvement. It sounds like Skunk is working on some new cams.
4) Cams don't change how fast you can rev your engine. They just change the timing and duration of the valves opening.
#102
Some dealers can actually do the reflash on-site if I'm not mistaken
I just hope the dealer thats in Hawaii does the reflash on-site.
I hate to be without a car for a week. but boy will it be worth it.
I just hope the dealer thats in Hawaii does the reflash on-site.
I hate to be without a car for a week. but boy will it be worth it.
#104
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I wanna know if im buying a chip, or buying the company Hondata to tune my car. i mean this in the fashion that they have created a generic style chip, where it is one setting, so it may not help as well as we like, and if we make changes, the ecu will not change with our car. how are you guys about retuning the chips for the people that want to do forced induction?
being a company that will sell you their product and count the money while you walk away is a common theme in businesses now. im wondering if you will help the people taht will be modding their cars further, and since you are the only company making the reflash, it is a disappointment to not see it in K-pro, since that would allow people to tune the chip to their car specifically.
Im asking what the future plan is for hondata and TSXs, are you guys going to be satisfied and done after you relase both AT/MT compatible chips, or will you work to make a couple extra options for the people that have been waiting on them?
no attack, just a serious issue to bring up
TSX cman
being a company that will sell you their product and count the money while you walk away is a common theme in businesses now. im wondering if you will help the people taht will be modding their cars further, and since you are the only company making the reflash, it is a disappointment to not see it in K-pro, since that would allow people to tune the chip to their car specifically.
Im asking what the future plan is for hondata and TSXs, are you guys going to be satisfied and done after you relase both AT/MT compatible chips, or will you work to make a couple extra options for the people that have been waiting on them?
no attack, just a serious issue to bring up
TSX cman
#105
Senior Moderator
iTrader: (2)
Originally Posted by tekn0mage
Some dealers can actually do the reflash on-site if I'm not mistaken
I just hope the dealer thats in Hawaii does the reflash on-site.
I hate to be without a car for a week. but boy will it be worth it.
I just hope the dealer thats in Hawaii does the reflash on-site.
I hate to be without a car for a week. but boy will it be worth it.
#106
Read post #95... apparently some places do the flashes. Also,
From their website:
Dealers - Installing Hondata systems
You will need either:
* To send the ECU to Hondata for modification ($50 plus shipping)
* To use a local qualified electronics technician
* To socket the ECU yourself
If you wish to install systems yourself you will need about $450 for the following:
* Soldering iron (we recommend the Hakko 936 temperature controlled static safe soldering iron).
* De-soldering station (we recommend the Hakko 808 de-soldering station).
From their website:
Dealers - Installing Hondata systems
You will need either:
* To send the ECU to Hondata for modification ($50 plus shipping)
* To use a local qualified electronics technician
* To socket the ECU yourself
If you wish to install systems yourself you will need about $450 for the following:
* Soldering iron (we recommend the Hakko 936 temperature controlled static safe soldering iron).
* De-soldering station (we recommend the Hakko 808 de-soldering station).
#107
Senior Moderator
iTrader: (2)
Originally Posted by tekn0mage
Read post #95... apparently some places do the flashes. Also,
From their website:
Dealers - Installing Hondata systems
You will need either:
* To send the ECU to Hondata for modification ($50 plus shipping)
* To use a local qualified electronics technician
* To socket the ECU yourself
If you wish to install systems yourself you will need about $450 for the following:
* Soldering iron (we recommend the Hakko 936 temperature controlled static safe soldering iron).
* De-soldering station (we recommend the Hakko 808 de-soldering station).
From their website:
Dealers - Installing Hondata systems
You will need either:
* To send the ECU to Hondata for modification ($50 plus shipping)
* To use a local qualified electronics technician
* To socket the ECU yourself
If you wish to install systems yourself you will need about $450 for the following:
* Soldering iron (we recommend the Hakko 936 temperature controlled static safe soldering iron).
* De-soldering station (we recommend the Hakko 808 de-soldering station).
#108
All TSX reflashes are done at Hondata HQ. No dealers have the equipment or programs to reflash the TSX ECU. End of story.
The Website references are to the K100 for the RSX ECU, which is a completely different internal architecture.
TSX Cman
Please note that there was 18 months between the first RSX reflash and a user programamble solution. The TSX ECU is completely different from the RSX.
We have invested a considerable amount of time, effort and money (Over 6 figures) into creating this product for the TSX.
Our committment is 100% to the TSX market. We are working with other performance companies to help bring quality performance products to the TSX.
Your concerns are unfounded.
The Website references are to the K100 for the RSX ECU, which is a completely different internal architecture.
TSX Cman
Please note that there was 18 months between the first RSX reflash and a user programamble solution. The TSX ECU is completely different from the RSX.
We have invested a considerable amount of time, effort and money (Over 6 figures) into creating this product for the TSX.
Our committment is 100% to the TSX market. We are working with other performance companies to help bring quality performance products to the TSX.
Your concerns are unfounded.
#109
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Hondata, while you're here, can you answer this, please.
-Will the re-flash still allow me to obtain CELs for problems like O2 sensors and etc? Will it be still diagnosable for Acura dealers?
-About the increased cutoff, why is it possible, and not already done by Honda? Are there potential issues of riding the engine to 7600 regularly, and into the redline zone for prolonged times like in 4th and 5th gear? Or should we just use the extra few revs in case of it really being needed only, like on the occasionnal drag race, but not more?
-Will the re-flash still allow me to obtain CELs for problems like O2 sensors and etc? Will it be still diagnosable for Acura dealers?
-About the increased cutoff, why is it possible, and not already done by Honda? Are there potential issues of riding the engine to 7600 regularly, and into the redline zone for prolonged times like in 4th and 5th gear? Or should we just use the extra few revs in case of it really being needed only, like on the occasionnal drag race, but not more?
#110
Drives With Hands
Originally Posted by TSX Cman
I wanna know if im buying a chip, or buying the company Hondata to tune my car. i mean this in the fashion that they have created a generic style chip, where it is one setting, so it may not help as well as we like, and if we make changes, the ecu will not change with our car. how are you guys about retuning the chips for the people that want to do forced induction?
being a company that will sell you their product and count the money while you walk away is a common theme in businesses now. im wondering if you will help the people taht will be modding their cars further, and since you are the only company making the reflash, it is a disappointment to not see it in K-pro, since that would allow people to tune the chip to their car specifically.
Im asking what the future plan is for hondata and TSXs, are you guys going to be satisfied and done after you relase both AT/MT compatible chips, or will you work to make a couple extra options for the people that have been waiting on them?
no attack, just a serious issue to bring up
TSX cman
being a company that will sell you their product and count the money while you walk away is a common theme in businesses now. im wondering if you will help the people taht will be modding their cars further, and since you are the only company making the reflash, it is a disappointment to not see it in K-pro, since that would allow people to tune the chip to their car specifically.
Im asking what the future plan is for hondata and TSXs, are you guys going to be satisfied and done after you relase both AT/MT compatible chips, or will you work to make a couple extra options for the people that have been waiting on them?
no attack, just a serious issue to bring up
TSX cman
#111
Originally Posted by sauceman
Hondata, while you're here, can you answer this, please.
-Will the re-flash still allow me to obtain CELs for problems like O2 sensors and etc? Will it be still diagnosable for Acura dealers?
-About the increased cutoff, why is it possible, and not already done by Honda? Are there potential issues of riding the engine to 7600 regularly, and into the redline zone for prolonged times like in 4th and 5th gear? Or should we just use the extra few revs in case of it really being needed only, like on the occasionnal drag race, but not more?
-Will the re-flash still allow me to obtain CELs for problems like O2 sensors and etc? Will it be still diagnosable for Acura dealers?
-About the increased cutoff, why is it possible, and not already done by Honda? Are there potential issues of riding the engine to 7600 regularly, and into the redline zone for prolonged times like in 4th and 5th gear? Or should we just use the extra few revs in case of it really being needed only, like on the occasionnal drag race, but not more?
Why did Honda not lower the VTEC point and do the tuning we did? To get the exact answer you will need to ask them.
In general, the ECU is tuned for worst case scenario - poor fuel and poor maintenance. Users of the reflash are expected to use high octane and look after their cars.
Honda may have limited the performance in this model to enable a bigger HP upgrade in a future model.
The increase in rev limit is only small - 300 rpm. We do not believe it will have any adverse effect on the engine's life. Do not bounce your car off the rev limiter. That is much harder on the engine, even with a 7300 rpm limit.
#113
Hondata: Although I dont speak for all, I do believe I speak for some...
I thank you for your labour of love. I realize that research and development brings no profit immediately, but your commitment to the Honda community is unparalleled, and I/we thank you for it.
Please try to overlook the naysayers and those who are new to Hondata's offerings. They obviously have no idea how much effort goes into developing a new product. Not to mention reverse engineering a complicated piece of equipment. They know nothing.
Much mahalos (thanks) from a Hondatafied RSX driver, and now, thanks to your hard work... a soon to be Hondatafied TSX driver.
I thank you for your labour of love. I realize that research and development brings no profit immediately, but your commitment to the Honda community is unparalleled, and I/we thank you for it.
Please try to overlook the naysayers and those who are new to Hondata's offerings. They obviously have no idea how much effort goes into developing a new product. Not to mention reverse engineering a complicated piece of equipment. They know nothing.
Much mahalos (thanks) from a Hondatafied RSX driver, and now, thanks to your hard work... a soon to be Hondatafied TSX driver.
#114
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I'm interested to hear about the driving impressions for TSX users once they get the reflash. Just wondering how much of a difference it would make in terms of acceleration.
I have a 5AT tsx and I am definitely interested in the reflash.. but the only mod I would probably get, if any, is the icebox intake. I would love to see how the reflash performs on a stock 5AT... to see if it is worth it.
I have a 5AT tsx and I am definitely interested in the reflash.. but the only mod I would probably get, if any, is the icebox intake. I would love to see how the reflash performs on a stock 5AT... to see if it is worth it.
#115
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Originally Posted by hondata
The ECU functions normally as far as CEls and dealer servicing. No changes were made here.
Why did Honda not lower the VTEC point and do the tuning we did? To get the exact answer you will need to ask them.
In general, the ECU is tuned for worst case scenario - poor fuel and poor maintenance. Users of the reflash are expected to use high octane and look after their cars.
Honda may have limited the performance in this model to enable a bigger HP upgrade in a future model.
The increase in rev limit is only small - 300 rpm. We do not believe it will have any adverse effect on the engine's life. Do not bounce your car off the rev limiter. That is much harder on the engine, even with a 7300 rpm limit.
Why did Honda not lower the VTEC point and do the tuning we did? To get the exact answer you will need to ask them.
In general, the ECU is tuned for worst case scenario - poor fuel and poor maintenance. Users of the reflash are expected to use high octane and look after their cars.
Honda may have limited the performance in this model to enable a bigger HP upgrade in a future model.
The increase in rev limit is only small - 300 rpm. We do not believe it will have any adverse effect on the engine's life. Do not bounce your car off the rev limiter. That is much harder on the engine, even with a 7300 rpm limit.
You said the ECU had a good data acquiring capacity, and was not refractive to adding a few dgrees of advance given better fuel.
Does that mean that the ECU would then explore and give a little more advance then spec if we use 93-94 octane fuel? If so, does it mean that after a few power runs the ECU, having detected no knock with normal settings could explore and gradually advance either cams or fire until knock occured, and then re-adjust from there?
Meaning, with good fuel, could the stock ECU actually allow the engine to produce more than the rated 200 crank hp? If not, does the reflash have provisions for this?
#116
Port & Polish Everything
Originally Posted by hondata
The CARB approved Comptech header I tested with does not eliminate the cat and adds absolutely no extra noise. It is a far superior design to the stock header. Bottom line - get a header and a reflash as a minimum.
The Comptech Icebox is very similar in design to the Honda intake and is much quieter than a short ram.
As for the low end, Honda have optimised this area well with long intake runners, cam timing and ignition timing. The reflash alone will make very little difference as all I could do was add a little ignition timing, but a combination of intake, headers and reflash will help the low end perhaps 5-7 ft pounds.
For low end you want a supercharger... That will give you 20-40 ft/lb more torque between 2000 and 3000 rpm
The Comptech Icebox is very similar in design to the Honda intake and is much quieter than a short ram.
As for the low end, Honda have optimised this area well with long intake runners, cam timing and ignition timing. The reflash alone will make very little difference as all I could do was add a little ignition timing, but a combination of intake, headers and reflash will help the low end perhaps 5-7 ft pounds.
For low end you want a supercharger... That will give you 20-40 ft/lb more torque between 2000 and 3000 rpm
Since gains on the low end power is minimal with the TSX reflash, if you were to speculate, would this make any retuning the accord/CRV/element K24s a waste of time?
#118
Go Giants
Can we drive the car while the ECU is removed from the car (during the reflashing at Hondata)? Or is the car out of comission?
#119
Unfortunately, the car is out of commission. You not only send in the ECU, but also the Immobilizer and key. All three of these are required to start your car.
I did the Hondata program for my RSX. It was offline for 4 days. Fortunately I had a business trip scheduled, so it was no problem at all. This time however, I will have to grin and bear it for a few days with no car.
Honestly though, it's so worth it... I wouldn't even hesitate. Not for a second.
I did the Hondata program for my RSX. It was offline for 4 days. Fortunately I had a business trip scheduled, so it was no problem at all. This time however, I will have to grin and bear it for a few days with no car.
Honestly though, it's so worth it... I wouldn't even hesitate. Not for a second.
#120
Go Giants
Originally Posted by tekn0mage
Unfortunately, the car is out of commission. You not only send in the ECU, but also the Immobilizer and key. All three of these are required to start your car.
I did the Hondata program for my RSX. It was offline for 4 days. Fortunately I had a business trip scheduled, so it was no problem at all. This time however, I will have to grin and bear it for a few days with no car.
Honestly though, it's so worth it... I wouldn't even hesitate. Not for a second.
I did the Hondata program for my RSX. It was offline for 4 days. Fortunately I had a business trip scheduled, so it was no problem at all. This time however, I will have to grin and bear it for a few days with no car.
Honestly though, it's so worth it... I wouldn't even hesitate. Not for a second.