Perrin Oil Cooler Issues with 2017+ BRZ M/T - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Subielove1 · 10-31-2023, 02:53 PM

Clearance Issues While Installing Perrin Oil Cooler in a 2019 BRZ M/T

Having fitment issues with the gigantic stock airbox where the fittings screw on below the oil filter.

Perrin emailed me back saying that most of their customers get a heat gun and gently massage back forward that small portion of the offending area of the airbox to get the slight clearance needed.

Not wanting to install an aftermarket intake due to MAF rescaling. Already running an OTS Stage2+ Openflash tune with catless JDL UEL Headers. Don't have the time to do the datalogs for the custom tune.

Will I need to rescale MAF even if I just swap a 2013-16 air intake tubing and airbox?

Or should I just take the heat gun and run with it?

What have you guys done to solve this problem?

blsfrs · 11-01-2023, 08:28 AM

Quote:

Originally Posted by Subielove1

Installing Perrin Oil Cooler in a 2019 BRZ M/T

Having fitment issues with the gigantic stock airbox where the fittings screw on below the oil filter.

What have you guys done to solve this problem?

Perrin emailed me back saying that most of their customers get a heat gun and gently massage back forward that small portion of the offending area of the airbox to get the slight clearance needed.

Not wanting to install an aftermarket intake due to MAF rescaling. Already running an OTS Stage2+ Openflash tune with catless JDL UEL Headers. Don't have the time to do the datalogs for the custom tune.

Will I need to rescale MAF even if I just swap a 2013-16 air intake tubing and airbox?
Or should I just take the heat gun and run with it?

What have you guys done to solve this problem?

I'd probably go with the heat gun option. The 13-16 box may be worse. It's a little more square. I had a JR sandwich and the lines were rubbing the box. It was a pain getting to the filter.

Grady · 11-01-2023, 07:25 PM

Other option is to switch to Banjo fittings. Just make sure they are torqued correct and safetied.

Subielove1 · 11-01-2023, 10:22 PM

After reading user steve99's posts on the Grimmspeed cold air intake, I have decided to go with that route. Apparently the MAF placement on the Grimmspeed Intake is so similar to OEM that MAF rescaling is not required. I gave the Perrin Intake a look at too, but no way in hell am I going to remove the bumper just to clean the air filter. Will datalog after to verify that the engine is running optimally.

Spent almost all day reading. Really got sucked into the rabbit hole today haha

10-31-2023, 02:53 PM	#1
Subielove1 Junior Member Join Date: Jan 2023 Drives: 2019 Subaru BRZ Limited w/ PP Location: East Texas Posts: 8 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Perrin Oil Cooler Issues with 2017+ BRZ M/T Clearance Issues While Installing Perrin Oil Cooler in a 2019 BRZ M/T Having fitment issues with the gigantic stock airbox where the fittings screw on below the oil filter. Perrin emailed me back saying that most of their customers get a heat gun and gently massage back forward that small portion of the offending area of the airbox to get the slight clearance needed. Not wanting to install an aftermarket intake due to MAF rescaling. Already running an OTS Stage2+ Openflash tune with catless JDL UEL Headers. Don't have the time to do the datalogs for the custom tune. Will I need to rescale MAF even if I just swap a 2013-16 air intake tubing and airbox? Or should I just take the heat gun and run with it? What have you guys done to solve this problem? Last edited by Subielove1; 11-01-2023 at 02:27 PM. Reason: redundant text removed

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11-01-2023, 10:22 PM	#4
Subielove1 Junior Member Join Date: Jan 2023 Drives: 2019 Subaru BRZ Limited w/ PP Location: East Texas Posts: 8 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	After reading user steve99's posts on the Grimmspeed cold air intake, I have decided to go with that route. Apparently the MAF placement on the Grimmspeed Intake is so similar to OEM that MAF rescaling is not required. I gave the Perrin Intake a look at too, but no way in hell am I going to remove the bumper just to clean the air filter. Will datalog after to verify that the engine is running optimally. Spent almost all day reading. Really got sucked into the rabbit hole today haha

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