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That's unfortunate. I know it's a bit awkward and won't workout for everyone, but just figured I would share if anyone wanted to try that first before taking things apart. Glad you got it done the other way though! :thumbsup:

Oh damn! That's pretty shitty, I'm sorry man. You could always do a remote jailbreak if you wanted to have it tuned without having to ship your ECU off anywhere. That's what I was going to do until I saw last minute they were coming to Phoenix so I did that instead.

The Hondata 91 base map definitely does not run lean, it runs rich if anything. The 93 map is leaner for sure but not unsafe in any way, in fact it is much closer to the target AFR you would see on one of the better OTS tunes or even custom tune. If you are worried about it, just run the 91 map...

I had a PRL HVI V2 on my 2.0 Accord for a while. That thing didn't filter worth a crap, just like other oiled K&N style filters. After 10k miles there was a layer of dirt/dust inside my inlet tube when I went to service the filter. Got rid of the thing and got a dry flow filter. This is the...

The fuel pump issue was with the Hondata 91 OTS map that someone asked me a question about, not the TSP Stage 1 tune. The TSP tune had no fueling or other issues at all for me other than an unacceptable level of knock retard since all I have access to is 91 octane fuel at the moment. And yeah...

That's why I never blindly upload any tune and just trust that everything is running correctly. Lots of people do that and have no idea what's going on behind the scenes. They just see advertised dyno results, upload a tune, and then assume everything is great because the car feels faster. You...

Couldn't tell ya to be honest. I'm not sure if it's intentional or more just a normal momentary reaction to the sudden changes. Also, with the Hondata tune the commanded fuel pressure is only 2,600psi vs 2,900psi on the factory settings so that's probably part of why the duty cycle goes so high...

For sure it's not good which is why I decided to get a custom tune. But it was a momentary condition being caused by rapid change in air flow with both the intake cam advancing rapidly at the same time as VTEC engaged which causes it to throw a bunch of fuel at it and cause a momentary rich...

Knock and fuel trims were good for the time I ran it, never saw any issues. The one issue I did see was the fuel pump duty cycle would spike up to 110% during WOT 4th gear pulls, and that was in roughly 50 degree weather. That said, I didn't see the AFR go lean (in fact it actually went rich)...

Looks good man! Love the brake calipers, and enjoying following the build!

Dang, I wish I had a friend like you! lol. Really appreciate another great write up and love the ranking that includes the valve open and closed with the exhausts that have them. That should really help steer people in the right direction when trying to make a decision on an exhaust they want...

Awesome and thorough explanation as usual. This is why I consider you to be the best in the business and I appreciate you taking the time to explain things in a little more detail. I personally like the most detailed and technical explanations possible as I enjoy learning the real ins and outs...

Thanks Derek! I'm sure a lot of people will find the information interesting and helpful. I was trying to avoid bothering tuners as I know you guys are busy but if you have some logs saved and would like to share that would be awesome. Appreciate it! Also, if anyone else is still willing to...

Correct. The amount of fuel the HPFP/injectors can deliver (with an upgraded fuel system) isn't the limiting factor on 93, the octane level is. That's why it makes more power with the ethanol mix because it increases the overall octane level of the fuel and allows for much higher timing advance...

Exactly. There are so many variables that looking at just a dyno graph doesn't tell the whole story. If that's all I was doing I would definitely not spend the money on an upgraded fuel system to just run straight pump and not add ethanol. Spending $3,500 dollars on a fuel system and hours worth...

Yep, I saw that. I've also seen these too: Here is one that has the stock fuel system with basically the same result. And here is one that has the upgraded fuel system and made less. I've looked at probably every single post of his with this turbo and dyno graphs alone don't prove anything...

If anyone else has any data logs with the standard Kuro turbo, I'd love to see more. Thanks again to Winpildeu for sharing!

Thanks for sharing, I appreciate that! Also, what octane fuel were you running with these logs?

@Winpildeu That would be awesome! If you don't mind I would love for you to send those to me. Appreciate it!

To each their own. I like the idea of a dual personality where I can keep the car quiet when just cruising/commuting as I don't need to hear what is admittedly a not good sounding car all the time. But when driving spiritedly I would like to have the option to get a bit more sound to enhance the...