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So if I went for a TD05 (with fuel pump and remap) would my MY00 intercooler still be up to the job?
(I'm fully decatted, with uppipe, ported manifold, ITG and Tek 2.5)
Making boost heats the air no matter how efficient the turbo, just that the more efficient ones heat it less for the same boost. It is very easy to get back to where you started with the lesser turbo on charge temperature by running more boost on a bigger turbo! For serious boost you need to upgrade the intercooler. I think the TD05 would be safe enough at a fairly solid 320 BHP without a FMIC, but for track use you would want to turn the boost down a bit and use octane booster.