Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

cobb stage 2 and 3/16 mod

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Old Mar 4, 2004 | 03:46 PM
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SubaruStu's Avatar
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cobb stage 2 and 3/16 mod

Hey i was wondering if anyone can help? i just got my ECU stage 2 reflash and was thinking should i remove the 3/16 mod or not ? Will it harm the engine if i leave it there? All i know is that i get about 17 psi of boost now!!!! and when i remove it i get only 15. Also when i first put the ECU in after reflash i noticed the boost held longer now it drops again? and doesn't hold so well. It held really well for the first 2 days now it holds the same as before. does anyone have any ideas?
Old Mar 4, 2004 | 04:22 PM
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From: Rockin my 6th Suby in the 808 in the past decade!
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from my understanding you are supposed to put the original one back in. Cobb tuned the reflash for the stock one to be in.

4080
Old Mar 4, 2004 | 04:30 PM
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thanks dude any ideas about the boost?
Old Mar 4, 2004 | 05:03 PM
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I spoke with Cobb today and asked the very same question....Cobb said use the Factory Restrictor.
Old Mar 4, 2004 | 08:55 PM
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Thanks for the info!! i'll just wait for those maps to come out dude!
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