Originally posted by e30pwr
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This.
It's really about how far you take your 2.7i. If done correctly and you use the 885 head with intake, TPS, TB, wire harness etc, etc... on the ETA 2.7L block and internals, you would inevitably have to replace the ECU with one from an "i". So the chip you would use would be a 2.5 "i" (or 173 ECU) Chip.
Then boost it.
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