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Old 11-05-2009, 12:29 PM   #26
Marnix
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1984 AM5, 1984 AF1,
1994 BC4, 2015 Outback

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Regarding engine specs:

It's a rocker-style turbo DOHC engine with 8.5 CR and open deck block (MY92-93) out of a Legacy GT (AT). Cams are indeed a bit milder than the RS ones.
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Old 11-07-2009, 02:46 AM   #27
surfbeetle
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Here's another really stupid question, what weight of oil is recommended for this motor? Also I have heard different things about the coolant.
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Old 11-07-2009, 04:13 PM   #28
Marnix
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Same as any other Subaru EJ-series turbo. If seals are not to be replaced be careful with 100% synthetic oils.
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Old 11-23-2009, 11:54 AM   #29
surfbeetle
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Default Now I have an Exhaust Question

I need an exhaust for my engine, I saw this on ebay, http://cgi.ebay.com/ebaymotors/Impre...Q5fAccessories

I asked the online store if this would fit the older ej20 and of course, they didn't know. When I got the engine from the JDM place, it did not have the crossover pipe. I could use the stock exhaust if I had the crossover pipe, but since I don't, I was looking at getting a different header altogether.
Thanks.
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Old 11-23-2009, 02:52 PM   #30
Marnix
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1984 AM5, 1984 AF1,
1994 BC4, 2015 Outback

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All EJ-series engines (except some later 2.2 engines) have the same spacing of exhaust ports and since engine width is also the same, any exhaust manifold will fit, only make sure it clears the oilpan (later style twin scroll setups also require different oil pans).

So yes, that manifold does fit 100% (if not neatly it's due to the build quality of the manifold, not because you have an older engine).
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Old 11-30-2009, 01:19 AM   #31
surfbeetle
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Okay, so this means that the turbo flange is the same on the up pipe and the exhaust ports on the heads are also the same between the older and newer engines? I apologize in advance, but I am a newbie when it comes to these engines.
Thanks again.
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Old 11-30-2009, 01:35 AM   #32
Marnix
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1994 BC4, 2015 Outback

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Yes on all counts.
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Old 11-30-2009, 02:19 AM   #33
surfbeetle
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Thank you very much!
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Old 09-19-2018, 04:05 PM   #34
surfbeetle
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Iím resurrecting an old thread... I have finally gotten my project running. Itís 1967 VW Bug with this EJ20. I had it dynoíd at Outfront Motorsports in Southern California, max power it made was 175 hp at the wheels. We turned the boost down to 152 hp. Since I donít know the history of the engine and after driving it for a bit, it seems that the waste gate is not holding boost very well, Iíd like to find out about either rebuilding or replacing the turbo. Based on previous posts, the turbo is a VF-10, correct? Whereís the best place to find parts etc? Thanks.
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