Ej20 swap

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Ej20 swap

Postby Jake.h71 » Thu Jul 09, 2015 9:39 pm

Hey everyone
My gen 4 liberty gt is starting to knock -.- slowly planning an engine swap haha
Just curious if anyone knows the exact differences between ej20's, for example I'm looking at a 2011 ej20 out of an impreza. What sort of modification if any would b needed for the swap?
Thanks in advance for anyone who can provide any info.

Cheers jake
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Re: Ej20 swap

Postby BillyCorgi » Fri Jul 10, 2015 8:14 am

Check in with Matt McLeod (at Kido_Tune),

He tunes all of these engines and would have a good understanding of what differences there are and what the Liberty Gen4 GT ECU can support and what the WRX motor requires.
He may even be able to give the final product a tune (or better still, and E85 tune). Sweet!
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Re: Ej20 swap

Postby HardwareBoB » Fri Jul 10, 2015 9:27 pm

The WRX EJ20 is lower compression - it will 100% need a retune. You're also much better using an 08+ STi engine - they are very similar. The WRX engine I think only has intake AVCS
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Re: Ej20 swap

Postby Jake.h71 » Sat Jul 11, 2015 8:14 pm

Thanks guys
In regards to the engine it has taken a turn for the worst -.- it's more banging at the door rather then knocking so I might have to do something sooner than I thought.
I have sourced an entire lib gt so compatibility might not be an issue.
Thanks again guys for your help

Cheers jake
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Re: Ej20 swap

Postby Liam » Wed Nov 21, 2018 5:22 pm

What about an ej207 swap in an na lib? I’m thinking of this how easy will it be and what’s needed
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Re: Ej20 swap

Postby HardwareBoB » Wed Nov 21, 2018 5:51 pm

Liam wrote:What about an ej207 swap in an na lib? I’m thinking of this how easy will it be and what’s needed

No.
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Re: Ej20 swap

Postby Jake.h71 » Fri Nov 30, 2018 7:31 pm

would be cheaper and easier to just buy a gt tbh
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Re: Ej20 swap

Postby Liam » Tue Jan 08, 2019 12:48 pm

But you don’t have as good reliability and can get way lower km buying a motor
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Re: Ej20 swap

Postby Liam » Tue Jan 08, 2019 12:50 pm

Or maybe a wrx ej255 as it’s 5 speed aswell
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Re: Ej20 swap

Postby bigBADbenny » Fri Jan 11, 2019 11:36 pm

You seem to be missing some important research.
The preface 2.0t engine is way more reliable than the 2.5t regardless of klm.
It’s also davcs not savcs meaning major compatibility issues with wrx 2.5t into prefl gt.
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