Reflash from Hondata NOW AVAILABLE!!!

49776 Views 269 Replies 67 Participants Last post by hpengineprep, May 9, 2012

brown_bear

Discussion Starter · Feb 16, 2012

Reflash - K20A3 Civic Si :eusa_clap:

211hp/187tq

$295

Someone get on this ASAP!!!!

221 - 240 of 270 Posts

Utahs First 2012 Si

· #221 · Mar 15, 2012

duerrs said:
saw a youtube video of someone with the flash and the vsa light was blinking, is that normal after the reflash????

The VSA turns on automatically every time you turn the cast on. When you turn off the VSA, The light lights up on the dash.

Regardless if your ECU is ReFlashed or not. The VSA light will blink when the traction control enables. So whenever you feel like going for a spirited drive turn off the VSA.

I saw a video if a guy who had his ECU ReFlashed and didn't turn it off and then it blinked when he drove it and the VSA kicked in. That's normal. If the VSA light is on and blinking when the car isn't driving then something is wrong there.

Sent from my LG-P999

neteng101

· #222 · Mar 15, 2012

I wonder if they could have made it a bit less sensitive in this one regard... maybe they just went too far in the other direction when they did the rev hang delete. Only a FlashPro with a proper tune will allow us that level of refinement though... it seems the basemaps on 8th gen Si with FlashPro suffers the same problem, though the bucking could be harsher even.

The flywheel part and quick rev drops I can deal with on my own, but when I'm not changing gears, the throttle behavior is just a bit too far on the other side from the rev hang. They sure weren't kidding when they said they really got rid of rev hang.

BryanFury83

· #223 · Mar 15, 2012

I guess be careful what you wish for lol

duerrs

· #224 · Mar 16, 2012

Utahs First 2012 Si said:
The VSA turns on automatically every time you turn the cast on. When you turn off the VSA, The light lights up on the dash.

Regardless if your ECU is ReFlashed or not. The VSA light will blink when the traction control enables. So whenever you feel like going for a spirited drive turn off the VSA.

I saw a video if a guy who had his ECU ReFlashed and didn't turn it off and then it blinked when he drove it and the VSA kicked in. That's normal. If the VSA light is on and blinking when the car isn't driving then something is wrong there.

Sent from my LG-P999

The video i saw didn't seem like he was pushing it hard enough to break the tires loose but i could have been wrong.

Utahs First 2012 Si

· #225 · Mar 16, 2012

Yeah, it's hard to say. When I installed my ReFlashed ECU I didn't have any check engine or any lights on or anything. My car seems to be running like a champ!

Sent from my LG-P999

neteng101

· #226 · Mar 18, 2012

Just an update after getting more wheel time with the Hondata update... again, still waiting for Utah's dyno, since the quickness we feel with the reflash could be just due to the quickness of the throttle response. So the one and only bad side effect to me of the reflash is at light throttle, you can get an on/off/on/off throttle effect causing the car to buck (note this is not at the point you're lugging the engine/about to stall out). I found that the easiest way to adjust to this is to just lift entirely, let it engine brake/coast for a bit, then get on the throttle again... trying to feather it gently while following traffic causes it to get confused.

The increased rev limiter and total lack of rev hang does address two issues I had with the factory programming, since I've hit the original rev limiter far too many times, and rev hang is just pure yuck. Its still not easy to drive the car smoothly all the time though, as someone else stated here, the flywheel is light, so clutch release/throttle application has to be right for a totally seamless shift all the time. At least there's no more waiting for revs to drop now.

I have a K&N drop-in and P2R spacer in too, not sure if either is adding much. But it should be something with the Hondata reflash, assuming they didn't mess it up somehow. Got to see the explanation for Utah's dyno coming up so low with stock vs. reflash.

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Utahs First 2012 Si

· #227 · Mar 19, 2012

neteng101 said:
Got to see the explanation for Utah's dyno coming up so low with stock vs. reflash.

Yeah, So since they didn't get to me by the end of the week. Should I expect bad news which could in hindsight be good news?

Sent from my LG-P999

propayne

· #228 · Mar 19, 2012

Boosted said:
mucter, is it just me or are you sensing that an entirely different type of enthusiast owns the 9th gen? No offense meant at all I think it's a great car, just totally surprised at the ratio of question posts versus "I ordered it" posts. And don't get me wrong its great to have new people entertaining the idea of this upgrade I'm just surprised that the thread is being lead with questions instead of orders sprinkled with questions.

It's a Hondata ecu reflash folks. Number 1, reflashes are standard procedure in the sport compact world. Number 2, Hondata is easily at the head of the pack in terms of quality and industry respect. The performance improvements cited are massive for an NA platform - Honda clearly left a lot on the table with this car it would be interesting to know why.

no i just think people dont want to blow a $24,000 car up with money still to owe. i wouldnt get it. but if car was paid off yes.

campton

· #229 · Mar 19, 2012

^^
No. I agree with boosted. I do know there is the type of people that mod there cars exhaust and wheels which is very common along with tinting. Exhaust for a racer sound and tint and wheels for looks. But the people that have been buying the hondata reflash and people wanting flash pro and not even considering putting the car on a dyno is a new different type of enthusiast. Please don't say that I bought this just to get rid of the rev hang. I mean yes for the reflash but please don't buy the flash pro is we get one and say I needed this for rev hang. Why dyno my car? Or I can't afford to dyno my car. Lol, if you can't afford to dyno your car yet you can buy a CAI or SRI, flash pro, tint, wheels, exhaust, a down pipe, and etc yet your payments are stopping you from getting your car on a dyno you are truly the new group of enthusiasts.

I AM NOT making fun of you though. Just saying you might be wasting your money adding things that might not even work. Some products are like a placebo. Don't buy it just because it seems like it adds something. Make sure its adding something if you can. But it is your car. Do what you wish. Just remember that you bought a 23K car (what I paid) and your adding stuff that actually might just be a sugar pill

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bluestar

· #230 · Mar 19, 2012

But sometimes sugar pills work better than the real meds... Just saying.... lol

bamathrasher

· #231 · Mar 19, 2012

bluestar said:
But sometimes sugar pills work better than the real meds... Just saying.... lol

lol true story. The difference in driveability post reflash obviously plays into the placebo effect since the car feels completely different. Since Utah's dyno numbers show inconsistencies, obviously it is just the placebo effect.

@campton: The only thing I disagree with in your logic is that there are people out there, myself included, that purchased the reflash to correct the rev hang. That was first on my list of justifications, of course everything else was an added bonus which I expected to get for my money I spent. If it turns out that Hondata did report the whp gains incorrectly then I will feel lied to and expect some kind of compensation, but since the horsepower gains weren't my first priority, I'm not concerned enough to go and drop the money on dyno time just to be disappointed. You know what I mean?

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campton

· #232 · Mar 19, 2012

I hear ya bud. I tried correcting myself by saying flash pro instead of reflash but I kind of wrote both. I meant flash pro if it were out. but yes yes correct the rev hang with the reflash. Price is still pretty decent for that. I mean that if someone was to buy flash pro $695 and other stuff should get the car checked out. sorry about that

scottwhi1

· #233 · Mar 23, 2012

when did they update there web site .
"Why have the advertised power figures on this web changed?
The stock dyno pulls were done on the Civic when it had less than 50 miles
and was not fully run in. The ECU tuning was done at a later time when the
engine was making more power. We retested the reflash against the stock ECU at
2500 miles and have adjusted the power figures to more accurately reflect the
power gains."

and they added
"
Does the reflash work well at altitude

The additional power from the reflash is generated by modifying the fuel,
ignition and cam angles. There are 10 tuning air pressure positions from sea
level to vacuum. Hondata tunes at sea level.

As you rise in altitude, the air pressure reduces. This does not affect the
fuel and cam angle changes, but it does affect the ignition changes . At around
8000 feet altitude there is no difference between the ignition timing for a
stock and a reflashed ECU. At around 3700 feet, the ignition changes are a
around half that of sea level.

Altitude changes do not affect the improvement Hondata has made to rev hang."

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9GenSi

· #234 · Mar 23, 2012

After the real world dyno tests submitted by Utah from this site apparently.

Utahs First 2012 Si

· #235 · Mar 23, 2012

They have yet to reach out to me! Lol. That's jacked! They had time to update their page though!

scottwhi1

· #236 · Mar 23, 2012

I am at 600 ft. Question would another ECU from a 2012 si work in my car. The dealer just got one in and its ready for a test driver would I be able to swap ECU and run a Dino and swap my reflash back in?

Utahs First 2012 Si

· #237 · Mar 23, 2012

scottwhi1 said:
I am at 600 ft. Question would another ECU from a 2012 si work in my car. The dealer just got one in and its ready for a test driver would I be able to swap ECU and run a Dino and swap my reflash back in?

I have no clue, But imagine it would work.

neteng101

· #238 · Mar 23, 2012

scottwhi1 said:
Question would another ECU from a 2012 si work in my car.

They dealer has to reprogram the ECU with your key, or the immobilizer will prevent the car from starting up.

scottwhi1

· #239 · Mar 23, 2012

neteng101 said:
They dealer has to reprogram the ECU with your key, or the immobilizer will prevent the car from starting up.

Yes I thought it was the Immobilizer. Does anyone know for sure?

UltimateArmor

· #240 · Mar 23, 2012

reflash is very disapointing and discuraging

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