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#ej18 spfi turbo possibility??

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 Post subject: ej18 spfi turbo possibility??
PostPosted: Mon Feb 20, 2017 2:11 pm 
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Joined: Tue Dec 27, 2016 9:35 am
Posts: 10
has anyone tried to turbo a ej18 spfi? or is it just simply impossible because of the air flow meter?


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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Mon Feb 20, 2017 6:30 pm 
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Location: Houston, Tx
I don't know if it's impossible, but I'm sure it will have challenges. I don't know of anyone turbocharging the EJ18 SPFI because we didn't get that motor on the first gen Legacies. I know Impreza got the EJ18, but don't know if it was SPFI or MPFI.

Hopefully someone else can chime in as well.

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1990 Legacy (AWD, 6MT, & EJ22T Swap)
1997 Impreza OBS

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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Mon Feb 20, 2017 11:11 pm 
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Find a local tuner and see what he recommends.

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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Tue Feb 21, 2017 4:13 pm 
Fourth Gear
Joined: Mon Aug 31, 2009 9:09 pm
Posts: 1204
Location: Rochester, WA
In the US, all EJ engines were MPFI.
I know some foreign markets got carbureted EJs, but wasn't aware of an SPFI one anywhere. I'm wondering if there's some incorrect terminology going on here.

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2005 Legacy GT Limited Wagon 5-Speed. Stock-ish ;)


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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Tue Feb 21, 2017 5:44 pm 
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Joined: Tue Dec 27, 2016 9:35 am
Posts: 10
nope there is definitely a ej18 spfi in my 1.8GL legacy, but i'm pretty sure we only got it in europe


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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Wed Feb 22, 2017 4:14 pm 
Fourth Gear
Joined: Mon Aug 31, 2009 9:09 pm
Posts: 1204
Location: Rochester, WA
Aha, makes sense to me. Haven't seen an SPFI one, only carbed. Does yours have a distributor or is it distributorless ignition?

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 Post subject: Re: ej18 spfi turbo possibility??
PostPosted: Sun Feb 26, 2017 12:36 pm 
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Joined: Tue Dec 27, 2016 9:35 am
Posts: 10
its got a distributor, Im pretty sure its the same motor as the carbed one but with a little more electronics.


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