Very happy with the numbers. The only engine mods on the car is a drop-in aFe Oiled air filter and the Denso Racing Spark plugs. This is on a 70k mile RCF with stock exhaust.
Waiting on my headers from ceramic coating. The shop says there is still a lot of oil in the metal. Been 3 weeks already.
Once I install headers will do another dyno pull before and after tune.
Very nice numbers. Did you get the numbers SAE corrected? Even with SAE correction, they will be impressive numbers considering you are basically stock. Most likely low 400 whp with SAE correction. Congrats.
Very nice numbers. Did you get the numbers SAE corrected? Even with SAE correction, they will be impressive numbers considering you are basically stock. Most likely low 400 whp with SAE correction. Congrats.
Thanks! Yes the numbers are SAE corrected (certified to SAE J1349)
Thanks! Yes the numbers are SAE corrected (certified to SAE J1349)
Definitely, the highest stock numbers we have seen so far that are corrected. Probably, your spark plugs have something to do with it or the engine might have gotten stronger at higher mileage.
Comparing dyno numbers from different dynos on different cars and different atmospheric conditions makes it very tough to draw any solid conclusions, but 412/375 SAE corrected is the highest I've seen for the RC F. You're doing the right thing by getting a baseline, then returning to the same dyno after the install of your headers to see what the difference is. Dynos are most useful for tuning purposes. That said, your numbers certainly look to show that your car is stout, and it's great that it is doing that at 70K miles. I'll be interested to see what kind of gains you make!
Very happy with the numbers. The only engine mods on the car is a drop-in aFe Oiled air filter and the Denso Racing Spark plugs. This is on a 70k mile RCF with stock exhaust.
Waiting on my headers from ceramic coating. The shop says there is still a lot of oil in the metal. Been 3 weeks already.
Once I install headers will do another dyno pull before and after tune.
What is the part number for the Sensor Racing Spark Plugs?
Just got my Denso IKH01-24 installed yesterday. Drove it hard where I could on the way home... you know how late Friday afternoon traffic is in the Bay Area; my butt dyno and ears kinda confirmed what konichiwa described in this thread. BTW, thanks k3 for sharing this mod. I noticed the difference when the car is above 4krpm. I sounded "mad". I still have stock exhaust but it didn't sound like it. I think the first impression is most accurate because after that you're used to the new one and forgot how the old one was. It seems to have a more violent pull at high end also, but I need to try it out more without getting a freaking ticket.
