wrx top mount intercooler
#3
Originally posted by NZConvertible
Why would you? It's completely the wrong shape so it won't receive proper airflow from the hood scoop, plus it flows worse than the stock IC.
Why would you? It's completely the wrong shape so it won't receive proper airflow from the hood scoop, plus it flows worse than the stock IC.
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Originally posted by Snrub
It apparently has a greater heatsink effect and allows for a better flow rate.
It apparently has a greater heatsink effect and allows for a better flow rate.
Mazda RX-7 Series 4 13B
Flow - Direction A (air entering longer pipe) 212 cfm (equal 11th)
Direction B (air exiting longer pipe) 202.4 cfm
Mass - 2.0kg (equal 17th overall)
Core Measurements - 29 x 16.3 x 6.2cm = 2931cm3 (equal 13th overall)
Mazda RX-7 Series 5 13B Turbo
Flow - Direction A (air entering longer pipe) 238.5 cfm (7th overall)
Direction B (air exiting longer pipe) 231.3 cfm
Mass - 2.0kg (equal 17th overall)
Core Measurements - 29 x 16.3 x 6.3cm = 2931cm3 (equal 13th overall)
Subaru STi Version 2 (MY94-96)
Flow - Direction A only (air entering bolt-on pipe) 224.2 cfm with bolt-on pipe attached (10th overall)
Mass - 2.8kg (10th overall)
Core Measurements - 40 x 11.5 x 6.2cm = 2852cm3 (15th overall)
So the STi intercooler (not the standard WRX intercooler) weighs more (better heatsinking), and flows a bit more than an S4 IC and a bit less than a S5 one. The regular WRX IC would be worse. So there's very little (if any) improvement potential. And there's absolutely no way to to make it work properly with the hood scoop. Only 3/4 of the core would receive airflow.
This idea is a complete waste of time. There are far better cores to consider and they should be mounted out front anyway.
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