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Old 27-02-2012, 09:49 AM
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Man people do this all backwards.

Go see your tuner, ask them how to achieve your goals. You will need supporting mods. Your 264 cams should be bigger. You will probably need to swap out the turbo for something bigger.

The boost figure is just that, how much boost you are smashing into the engine. More boost does not mean more power. You need to have a correctly sized turbo to suit. Start having a look at the turbo compressor maps, plotting out your planned boost levels and calculating an approximate power at a suitable rpm.

Remember big turbo = spooling later = more revs needed.

A stock EJ207 short motor is capable of 3 bar on 98 RON fuel when tuned correctly. Plenty run around on 2 bar. But 2 bar with a TD04 is completely different to 2 bar with a GT35R.
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