M. Schneider Posted January 19, 2017 Share Posted January 19, 2017 What's the 411 on uprating the factory radiator's core size in an effort to enhance the cooling system. I'm considering a swap of the OE radiator with a suitable Misimoto brand (MMRAD-STI-08X) 2 vertical row (w/2.00") vs the OEM 1 row (w/1.00") capacity radiator. The OE radiators modest flow rate metric could use a upgrade when the XT is operating at the margin. Anyone have experience with the Misimoto aluminum radiators? Seems many a hot rod'd WRX motor is fitted with the brands enlarged 3 rows. Our Outback XT has the 5EAT automatic gearbox which relies on a traditional/simple cooler circuit as in a "trans cooler tube" fitted inside the lower radiator tank. Years ago when the OB XT was new I'd ditch the OE trans-cooler for an aftermarket Hyden brand transmission specific cooler (5 row) located 2" in front of the A/C condenser/radiator assembly. When the engine cooling fans are operating fresh ambient temp. air is drawn though the trans cooler onto the A/C condenser/radiator. Any word regarding the Misimoto model MMRAD-STI-08X? Cheers, Mike |`94 E-Class Coupe |`98 Carrera 993 C2S |`14 Cayman S |`20 Outback Touring XT | All Debadged | Link to comment Share on other sites More sharing options...
Rhitter Posted January 19, 2017 Share Posted January 19, 2017 Read through this thread - http://legacygt.com/forums/showthread.php/done-mishimoto-radiator-and-hoses-255710.html?t=255710 Basically, it fits, but hoses have to be trimmed. My OBXT build Link to comment Share on other sites More sharing options...
Gex Posted January 19, 2017 Share Posted January 19, 2017 I have this rad and the XX (Larger) on my cars. They fit and work fine you will need to trim 1"-.5" from each hose. If I were to do it again I would get the Koyo Rad aluminum replacement radiator. It is about $50-70 more on Amazon and fits better with what feels like higher quality casting. Link to comment Share on other sites More sharing options...
LegacyKid5 Posted January 19, 2017 Share Posted January 19, 2017 I have this rad and the XX (Larger) on my cars. They fit and work fine you will need to trim 1"-.5" from each hose. If I were to do it again I would get the Koyo Rad aluminum replacement radiator. It is about $50-70 more on Amazon and fits better with what feels like higher quality casting. I'd second this, I installed the Koyo Rad Aluminum radiator on my car was was very impressed! Fitment was 100% perfect and the quality is very apparent. Link to comment Share on other sites More sharing options...
M. Schneider Posted January 19, 2017 Author Share Posted January 19, 2017 +1. Super. Now you'r talking. Koyo Radiator it is. The Koyo Racing radiator model; VH091662 a 2 row radiator; Has a online price range btw $272.00 and $325.00 .. http://www.koyorad.com A13091 ....05-09 Subaru Legacy 2.5L H4 TURBO MT ... 1 row OEM equivalent/replacement http://www.koyoradracing.com VH091662 05-09 Subaru Legacy 2.5L H4 TURBO MT ... 2 row uprated replacement Thanx Gex - Quote Gex: I have this rad and the XX (Larger) on my cars. They fit and work fine you will need to trim 1"-.5" from each hose. If I were to do it again I would get the Koyo Rad aluminum replacement radiator. It is about $50-70 more on Amazon and fits better with what feels like higher quality casting. End quote Thanx LegacyKid5 - Quote LegacyKid5 : I'd second this, I installed the Koyo Rad Aluminum radiator on my car was was very impressed! Fitment was 100% perfect and the quality is very apparent. End quote Cheers, Mike |`94 E-Class Coupe |`98 Carrera 993 C2S |`14 Cayman S |`20 Outback Touring XT | All Debadged | Link to comment Share on other sites More sharing options...
M. Schneider Posted January 20, 2017 Author Share Posted January 20, 2017 +1 .. Thanks Rhitter for the "radiator fitment" thread link. Man, 5 pages of fitment procedures. The Koyo brand seems to be the preferred fitting, best quality radiators ... I'll give the Koyo radiator a go ... Read through this thread - http://legacygt.com/forums/showthread.php/done-mishimoto-radiator-and-hoses-255710.html?t=255710 Basically, it fits, but hoses have to be trimmed. Cheers, Mike |`94 E-Class Coupe |`98 Carrera 993 C2S |`14 Cayman S |`20 Outback Touring XT | All Debadged | Link to comment Share on other sites More sharing options...
shralp Posted January 20, 2017 Share Posted January 20, 2017 +1 for Koyo, put one in my track car when I put the forged motor in last year. Excellent build quality and fitment. Link to comment Share on other sites More sharing options...
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