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Re: Engine conversion

 

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Morning Christoph. ?I put together a few notes related to upgrading your engine from a 98 DOHC ej25 to a 04 SOHC ej25.

Kennedy Adapter plate
Direct swap.
Engine Mount
Should be able to directly swap. ?I’d suggest new mount/pads while you’re in there.
Wiring Harness
You’ll need to remove your old harness. ?Reconvert/install new 04 harness and all related electricals.
Intake ducting
Direct swap
Coolant Plumbing
Direct swap
Oil Pan
Direct swap

On Jan 9, 2025, at 9:18?PM, Christoph Altehoefer via groups.io <cac@...> wrote:

I’m planning on doing another engine conversion on my ‘91 MT Vanagon. Currently I have a ?EJ 25 DOHC from a 1998 Forester. I could have a low mileage 2004 Imprezza engine. My question is, can I use my current Kennedy adapter plate and all the other components? They are both EJ 25 engines, except the new one is a SOHC. I also have the complete wiring harness from the Imprezza.?
Thanks for your help.?
Christoph
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