Reach

Back from the dyno this morning. Had a decent time with our mod CG at Altered Atmosphere in Gaithersburg, MD. They've got a 4wd Dynojet which they claim is 1 of a kind. It was more than enough to do a TSX dyno and I've got results and data. For comparison, we'll have to use the results from Temple of VTEC for a stock 2006. Here you go.

w/ Injen CAI:



ToV stock:



So, it looks like a meager 6 peak HP gain, and mostly in the high end. A little disapointing in the numbers, but noticeable from the driver seat. The noise factor is extremely high on the CAI btw. I heard CGs TSX rev to the redline and then mine, and we both agreed the CAI was intense. I'll leave it to CG to post his 6MT numbers. You'll be pleasantly surprised.

CGTSX2004

iTrader: (1)

Here they are, folks.

Stock 6MT Run 1
Max Power = 179.39
Max Torque = 148.76

Stock 6MT Run 2
Max Power = 183.69
Max Torque = 149.55

Using the best run numbers and a 15% loss of efficiency to drivetrain:
216 crank hp
176 crank ft-lbs.

Graph:


And A/F Ratios:

CGTSX2004

iTrader: (1)

Fellow member Reach will post his figures with the 5AT and CAI.

But for comparison, his best run:
Max Power = 181.08
Max Torque = 143.34

Yui

Sweet information guys, thanks for posting this up for us. I'm surprised the 5AT and the 6MT make the same at the wheel, I thought that the automatic transmission was supposed to have a much lower efficiency than the manual?

CGTSX2004

iTrader: (1)

Remember, his 5AT has a CAI. The difference is actually pretty close to the difference between the 04/05 5ATs and 6MTs.

Yui

Ahh, forgot that he has a CAI on.

CG, do you notice a difference from 04 to 06 in terms of stock sound? It really sounds harsher and deeper to me, and I hope it's not cause of the way I broke in the car.

Stokeless_TSX

what is that wierd lookin look at the peak gain....i have never seen it do that before....

CGTSX2004

iTrader: (1)

Torque converter lock-up on the 5AT, as per TOV's dyno.

CGTSX2004

iTrader: (1)

Actually, the first time I drove the 06, I started the car with the door open and immediately noticed a slightly different tone on start-up. The 06 did free up both intake and exhaust tracks so the sound should have a little more edge to it than the 04/05 models.

Yui

Yeah, that's what I was thinking too. Thanks for the confirmation =)

JTso

iTrader: (2)

Did any of you guys get the dyno files? If so, would it be possible to send me a copy of the files?

Btw, nice numbers!

CGTSX2004

iTrader: (1)

JTso, you mean the data export??

Tsx536

That's awesome guys! Thanks for spending the $$$ to do some dynos. I like how your dynos show the A/F ratio. I'll have to compare that to my A/f numbers.

I hope to do another dyno soon too

How much was each run?

dom

Nice work guys. That AT is making some nice power.

Reach

...enough to beat a new C230

JTso

iTrader: (2)

Wait... I just noticed the dyno results were not SAE corrected, which means the SAE numbers are actually lower. Need to get the dyno run files to see the whole picture.

CGTSX2004

iTrader: (1)

But that would be based on the new SAE corrections, right? Wouldn't these numbers be comparable to the numbers from the pulls for the 04/05 models?

JTso

iTrader: (2)

If the new standard is derived from SAE J1349, then yes. The dyno has the ability to read the uncorrected or corrected output depends on what the end goal is. I believe manufactures have been publishing the uncorrected crank numbers until the new standard come into effect, which lowers the actual numbers.

If all results are done using the SAE corrected method, then we have a more meaningful comparison.

Some info on dyno correction.

http://wahiduddin.net/calc/cf.htm

http://wahiduddin.net/calc/calc_cf.htm

Knox

I'm now convinced there is no reason drop $100's to gain 5-10HP if you're lucky. You're basically purchasing the engine noise. Thanks for this thread!

dom

Why do you say that? The dyno proved a CAI provides 10HP.

Knox

But is gaining only 10HP really worth near $200? Not to me it isn't. I would if perhaps it was more towards the 20HP or more range. Just my

dom

Next to the sway bar, its still the best bang for your buck mod out there though.

And I like the noise, although I can see how some wouldn't.

JTso

iTrader: (2)

You can't really judge a product by how many peak hp it provides. Because if that's the case, no one should buy the Hondata reflash as it doesn't provide much if any peak gains at all. However, it doesn provide gains where it's needed, not to mention the fun factor while driving.

Knox

I'm a believer in Hondata and will be acquiring if and when they bring it out for the 5AT 2006 models. But, with a reflash, I see a lot more benefits than I do with a CAI. I guess it's just me and plus, I'm not a fan of the way the CAI sounds. Too "racerboy" for me. But, I'm not bashing those that like this setup. I'm just stating my opinion and I hope you all can understand that which I'm sure you can. Thanks for the good comparison though Reach!

GIBSON6594

The CAI gets you 10 hp for $200. The Supercharger gets you 50hp for almost $4,000. Sound like a pretty good hp/dollar figure to me.

You will not reap the benefits of Hondata nearly as much as you would if you had a CAI and a header.

Reach

NP. The noise factor took me by surprise quite honestly, but I've grown to like it. I wish I had something better to do a comparison with, but I feel the the CAI does provide modest gains throughout the spectrum, and I am VERY happy with the results. In addition, I have found what other said to be true as well, that I can drive for a whole day and never hear the intake as long as I don't push it. If I keep my car in D and drive normally (conservatively) there is no noise factor and the car is as quiet as ever. However, if I drive more spiritedly in SS and high revs, I can feel and hear the intake. Its quite a nice mod! I now want to switch it into SRI mode sometime soon to see how it behaves differently. I love that I have the flexibility to do so.

I must also recommend the rear sway bar mod. These are the first two things I've done to my car and I *love* them. The sway bar makes it a completely different car when cornering, its a great (and cheap) suspension improvement. I'm using the Progress bar on its stiffest setting and can really feel the decreased body roll in turns.

All in all, for $300 for both, its a quicker, sportier ride. Great bang-for-the-buck factor.

Tsx536

Another option is to just get the Icebox if you are worried about noise.

CGTSX2004

iTrader: (1)

Based on the calculations in the second link, there should be a correction factor of 0.974.

That translates into about 179 hp and 146 ft-lbs torque.

However, since the calculations on the site use the new SAE standard adopted in Q2 2005, these numbers are not directly comparable to the numbers from the old SAE standard. I need to find the coversion factor from the old standard to get the most accurate comparison.

Oh, and I haven't heard back from the shop yet about getting the .drf files.

Reach

Damn CG. The old bag erased our files I'm sure. That equipment costs thousands of dollars you know This is why I tried to do it, sigh.

I'm wondering in hindsight, since the dyno guy apparently had never seen an SS before (he didn't know how to use it) did he even do it right? If I ever go back there I'm going to insist someone who knows what they're doing operate the equipment or else I'm not paying.

CGTSX2004

iTrader: (1)

No kidding. That guy could barely figure out where to move the car.