Cockroach Individual M3 3/24 "d"evolve airbox dyno

[bigjae46]

Is that Peter's old box?

And I also found a calibrated hunter alignment machine to be slightly off compared to a string alignment. I've rolled my car off one alignment rack right onto another and the readings were slightly different. Not so much that anyone would notice but still kind of disappointing.

[samthejam]

Is that Peter's old box?

And I also found a calibrated hunter alignment machine to be slightly off compared to a string alignment. I've rolled my car off one alignment rack right onto another and the readings were slightly different. Not so much that anyone would notice but still kind of disappointing.

Yes fresh from your place lol, installed it last night. It was potentially gonna go on the E30 M3 but yea things transpired.

Yeah moving on alignments probably won't be using a machine too much

[bigjae46]

Yes fresh from your place lol, installed it last night. It was potentially gonna go on the E30 M3 but yea things transpired.

Yeah moving on alignments probably won't be using a machine too much

Thought it looked familiar. You put that greasy ass part on your head?

That was a quick turnaround from my house to your car. That box is shockingly flimsy. Evolve did not do a very good job designing it. The vacuum/pressure cycles are going to cause that box to fail again.

[samthejam]

Thought it looked familiar. You put that greasy ass part on your head?

That was a quick turnaround from my house to your car. That box is shockingly flimsy. Evolve did not do a very good job designing it. The vacuum/pressure cycles are going to cause that box to fail again.

Yes, at some point hopefully will find a good deal on a Karbonius. Assuming it has a much better build quality

[Slideways]

Thought it looked familiar. You put that greasy ass part on your head?

That was a quick turnaround from my house to your car. That box is shockingly flimsy. Evolve did not do a very good job designing it. The vacuum/pressure cycles are going to cause that box to fail again.

You mean how the airbox caves-in on itself

[bigjae46]

You mean how the airbox caves-in on itself

Lol...yeah, the carbon was tearing away from the reinforcement posts on the inside. Which I think also caused 4 of the mounting tabs that connect the halves together break. Originally, I was going to use some sendcutsend brackets to bolt the halves together but didn't hold since the surface epoxy was starting to fail and the material was so thin.

If that is an example of Evolve workmanship...or at least the company they use to make that stuff...I'd steer clear of that vendor. I could see sunlight through the box...that is how that part was made. I think Evolve used maybe 2 layers of 3k carbon. You will get some gaps in the cosmetic layer, normal. I use a stitched biaxial which will fill in any gaps...which is twice as expensive than the cheaper woven biaxial Evolve used on the inner layer. The clear finish on the box is almost as thick as the carbon.

I'm sure the box was marketed as high gloss carbon pre-preg autoclave carbon which gets the guys all hot and bothered.

[samthejam]

Did an epoxy repair that probably won't last but got it enough to get it dyno'd today.

Untitled by Sam DaJam, on Flickr

Untitled by Sam DaJam, on Flickr

Untitled by Sam DaJam, on Flickr

Untitled by Sam DaJam, on Flickr


Untitled by Sam DaJam, on Flickr

IATs were a struggle, highest numbers were with headlight removed and aimed right at intake. So I am going to prioritize making sure that phallic object gets some good air so need to think about ducting. 85 degree day and the datalogs showed 100F for IAT.

Randy also noted that he thinks my headers are the restriction right now, I think there was some confusion on the street/track vs the full race exhaust but all good. It's making plenty of power for now, I do want to redo my exhaust setup at some point

So far with the Alpha N driveability is fine. Can lug it around at low rpms no issues, only odd case is like 2nd gear rolling through a stop sign at like 1500 or through my work parking garage but that's it. For 98% of driving I would not now that it doesn't have a MAF and the stock airbox.

Exhaust is so loud I will never hear the intake noise

If I can't be creative with the ducting before this weekend I'll just take the headlight out at the track lol.

[samthejam]

https://youtu.be/Y3w5PydIRjs?t=210 Probably will need to imitate this

[Bry5on]

You should expect to see an IAT rise in approximately that range. Also, if you remove the headlight, expect your engine cooling performance to be worse. You’re adding pressure behind the radiator which is likely to hurt your cooling.

Leave your tune setup for those 110F IATs, you’ll be better off for it. The DME pulling timing will mean that you’ll suffer power loss everywhere in the RPM band far after the knock event is over. I think this is a common misconception of folks chasing numbers on the dyno, only to suffer in real life situations.

[discoelk]

+15deg above ambient seems pretty reasonable for IATs. It should be pretty easy to duct some fresh air with the CSL bumper to keep you in that range.