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I was wondering if you guys could help.I have searched the net and not had any luck.

Basically i have an automatic R33 Spec 2 which needs a new rad,i was told a stagea rb25det one was the same and i found one of an RS4 the owner said it was an automatic and he was stripping it for parts to sell,so i had the radiator .The rad arrived today and looks to me to be the same as an manual one. As apart from the two pipes top and bottom on the rad and a sensor from next to the pipes there is nothing else ?would there be more if it was an automatic rad.?I was told that you could use a manual one and pipe up a seperte cooler for the trans, and i have found one next to the horn is this for that purpose and where is that piped to and where would you pipe a sperate one into a manual rad.I am very confused by it all ,and i am sure i am prob making you the same way.

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You can run an external trans cooler instead, but then the box will take ages to warm up, which is the main reason they are placed in the radiator in the first place.

I would be selling that radiator and buying an auto one with the cooler in the bottom, then run an external cooler before the radiator cooler.

how can you tell the difference between the manual and automatic radiators please.If i do manage to get an automatic one do i need to run a external cooler as would it not run to the setup which is on stock atm?Also is that same rad next to the horn for the power steering sorry for all the questions.

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