Razorlab - 2020 LE build thread

[razorlab]

@razorlab why this intake choice vs other offerings ?
Wonder how it will compare on hard data vs OEM, sincce I heared mulitple times this car has really good factory air box and does not need intake for performaance.

Because a lot of people just parrot information and I was curious if it was accurate or not.

So far, on my particular setup, it is incorrect information.

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[tomfree]

Because a lot of people just parrot information and I was curious if it was accurate or not.

So far, on my particular setup, it is incorrect information.

As Bryan is meticulous about data, he's gonna be the last one that says "install intake [brand/model here] and you'll make [gratituous HP/TQ claims] like I did!"

The question is...what is the power level where the stocker becomes a restriction? (NOTE: I'm not asking Bryan to provide a definitive data point for that)

 

[razorlab]

Preliminary data. Warning, a lot of data plots ahead!

TLDR: With the intake, the car now makes more boost at the same WGDC. Load, Torque and MAF increases as well, especially at the higher end of the RPM range. This is indicative of a restriction being removed/decreased.

OEM airbox, aftermarket panel filter (BMC FB01054), FTP intake pipe:

You will see here that the turbo is having a hard time hitting target boost (red plot) in the higher RPM range. Turbine Power P-Gain (pink plot) is positive trying to add Turbine Power (yellow plot) to the base Turbine Power (Green plot) which is a lookup from the DME compressor map table to help hit target boost.

Also notice that MAF Actual (green plot on top) peaks at about 1680 and the plot somewhat flattens out in the higher RPM range. This is a good indication of airflow.

One other plot to pay attention to is the HPFP Angle (white plot on bottom). This is basically showing how much the high pressure fuel pump is working to provide the right amount of fuel to hit target AFR. In this log it shows 99.5* at 6770 RPM.

MAD intake, CTS turbo inlet:

Note that Boost (white plot on top) is now OVER target boost (Red plot on top), 2 psi more than the OEM airbox log at the same 6770 RPM. Turbine Power P-Gain (pink plot) is now negative and Turbine Power Actual (yellow plot on bottom) is 10 less than the log with OEM airbox. So now the DME is trying to subtract to get closer to target boost, instead of adding.

MAF plot (green on top) is now up 200 to 1800, and if you look at the plot, it is no longer flattening out in the upper RPM range, now it is continuing to increase up, which points to more airflow compared to before.

Lastly, the HPFP Angle (white plot on bottom) has now increased to 103*, which means it is having to add more fuel to hit target AFR, which also points to more airflow.

OEM airbox, aftermarket panel filter (BMC FB01054), FTP intake pipe:

In the upper RPM range, Load Actual (white plot on top) is not able to hit Load Target (Red plot on top) Also take note of the Torque Nm actual (white plot on bottom) and target (red plot on bottom) numbers at 6700 RPM.

MAD intake, CTS turbo inlet:

Load Actual (white plot on top) has now increased to 210 (from 197 before) and has no issue not only hitting Load Target (red plot on top), but going above it.

Note that Torque Nm actual (white plot on bottom) has now increased to 661 (from 599 before) and has overshot Torque Target (red plot on bottom)

 

[Eyelise]

Bryan what about IATs? Were they affected? Was the OEM airbox data using the bumper snorkel you installed? I am a little concerned the snorkel could be a choke point in higher output applications like yours.

 

[Islindur]

Bryan what about IATs? Were they affected? Was the OEM airbox data using the bumper snorkel you installed? I am a little concerned the snorkel could be a choke point in higher output applications like yours.

 

[Eyelise]

I did see that video but IIRC the data was collected by a limited number of “pulls” not session data like Bryan logs. The snorkel has “gills” cut in the side which thru up my concerns about restriction. My concern is eliminating the snorkel underlies the benefits Bryan noted with that intake. Just a thought.

 

[razorlab]

Bryan what about IATs? Were they affected? Was the OEM airbox data using the bumper snorkel you installed? I am a little concerned the snorkel could be a choke point in higher output applications like yours.

I did see that video but IIRC the data was collected by a limited number of “pulls” not session data like Bryan logs. The snorkel has “gills” cut in the side which thru up my concerns about restriction. My concern is eliminating the snorkel underlies the benefits Bryan noted with that intake. Just a thought.

IAT's seem okay on the street in 9XF weather. However that will only tell you so much. They could be the same but the intercooler is working harder to shed the heat. So I looked at charge temps pre intercooler as well. Which where also very close to the same as before. I have a track event this coming weekend to get more data. I also just recently fabbed up a shield between the box and the turbo/dp as I noticed the backside of the airbox was MUCH hotter than the other sides after a drive in 95F weather. See photos below.

Your second question I am not 100% sure I understand. Both the OEM air intake box and the aftermarket air intake box were using the Speed Engineering snorkel. The ONLY changes where the airboxes. Same tune, same snorkel, etc.

The Snorkel just feeds into that section where the airbox lives.

 

[Eyelise]

Ok I thought I thought the OEM data may have been prior to the snorkel you added this season.

 

[Eyelise]

BTW that heat shielding is amazing stuff. I just had a manifold and turbo on another application wrapped in it by ATP. If you sent out your manifold and turbo they could do the same and you would be amazed at the drop in temps in that area. Maybe this winter

 

[razorlab]

BTW that heat shielding is amazing stuff. I just had a manifold and turbo on another application wrapped in it by ATP. If you sent out your manifold and turbo they could do the same and you would be amazed at the drop in temps in that area. Maybe this winter

Yea, I had ATP do all the shielding on my last track car. It works very very very very well.

 

[razorlab]

Using some high tech technology to see air temps in the filter box.

Cruising on the highway for two hours in 80-85F, it was 7-9F higher average than ambient. Of course it heat soaks to 20-30F over ambient when sitting, as shown here.

Will get more data at the track this weekend.

 

[Rensuhlo]

Using some high tech technology to see air temps in the filter box.

Cruising on the highway for two hours in 80-85F, it was 7-9F higher average than ambient. Of course it heat soaks to 20-30F over ambient when sitting, as shown here.

Will get more data at the track this weekend.

How do you afford such high-tech equipment?

 

[J29DB03]

How do you afford such high-tech equipment?

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[razorlab]

After a bunch of logging and iterations on the track and street, my tune is now in a pretty solid place and feels strong. This is about as much as I would like to push it on track (and even the street honestly) with 100% stock fuel system on E40 fuel. I have just enough HPFP head room to account for ambient temp sway.

I've been tracking on variants of this for the whole season, so far over 12 track days, refining it after each track day and it's respective logs. I'm showing a 4th gear pull in the screen shots, except for the first one, which is a snippet of a full session on track, but I have also been refining part throttle and multi-gear as that is the reality of the use of the car on the track.

It's making good power for the mods, and has no issues with GT3/GT3RS/Z06/ZL1/etc on track. It hasn't been on a dyno but based on how the car pulls on the cars mentioned, I imagine it is a little north of 500whp.

Power mods:
Pure700 turbo
MAP GESI catted downpipe
MAD intake with CTS turbo inlet
Wagner intake manifold
BM3 flex fuel kit
BM3 software

 

[MacAllan30]

Yea, I had ATP do all the shielding on my last track car. It works very very very very well.

Never would have thought about this...what does this kind of wrap cost and knowing you like data, what difference did you end up measuring? Learning a shit ton from you Razorlab! Thanks for sharing.

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