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We're interested in any of the challenges and considerations of this type of swap for our build planning. Hoping there is plenty of experience on this forum

We have a built EJ205 motor from an '04 WRX and we're putting it into an '06 WRX chassis (STi rods, oil pan, ARP head studs). It's a stout-er motor with a higher redline

Our '06 WRX currently has a COBB turbo back exhaust, an STi turbo and a protune on the COBB Accessport

1. EJ255 coming out is a 2.5L motor with AVCS on the intake cams
2. Intend to swap the long block and use all the EJ255 engine peripherals and accessories
3. I heard cam sensors are different

If you've done this- or had this swap done, we'd appreciate your thoughts on considerations and adaptations.

The WRX will be used for Autocross and a few lapping days each year.

Happy new year!


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