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.

is the 3/16 mod safe

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Old Jan 12, 2003 | 11:49 AM
  #2  
bamfwrx's Avatar
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Car Info: 02 WRX
it does increase boost response but it did not work on my car I guess because I have a vf-30 but when I tried it the boost would bounce off boost cut
Old Jan 12, 2003 | 07:55 PM
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i had it on for a little while. it got my turbo spooling quicker, but it also spiked. i say try it for short while just to see how you like it. its going to cost less than 2 bucks anyway.
Old Jan 15, 2003 | 09:45 AM
  #5  
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From: Longing for my ol' white '02 WRX :(
Car Info: 2016 Acura RDX ... meh. Um, nice subwoofer?
I think anyone who actually wants more power, if they go this route, play with the bleeder/constrictor for a few weeks and then get frustrated Remember is a generlization, but it seems generally true.

I'd say its pretty darn safe, if you haven't modified the cars computer or fuel system at all. Just be sure you have a boost gauge. The ECU will failsafe you anyhow.

You should, however, start saving up now for a real electronic boost controller. Put aside $50 a month if you can and in a few months you'd have a good controller that can save you from ever having to worry about hitting the boost limit in the ECU. Best bang for the buck: I recommend the Blitz DSBC Spec-R.

jason
Old Jan 16, 2003 | 10:15 AM
  #10  
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From: Longing for my ol' white '02 WRX :(
Car Info: 2016 Acura RDX ... meh. Um, nice subwoofer?
Its pretty safe and your milage will vary, from others and from day to day depending on how your ECU has decided to deal with a vacuum loss and a boost increase and ambient air temp on this particular day. I'd say its pretty safe but I wouldnt muck with it unless you atleast have a boost gauge. If you start playing with this stuff chances are you'll over-boost, you'll crap your pants when the BOV dumps and assume its detonation (because you've never heard real detonation before . Even if you know what a BOV dump sounds like, its still unnerving. Entering that situation is relatively safe, but still dumb to constantly repeat

Its a fun little mod that can produce a hefty bang for a teeny buck. But don't swear by it. What I would swear by for the 3/16 mod is this, you'll learn something about boost and how boost control works if you play with it enough. It will lead you to purchase some real boost control. I started with the 3/16th's mod and then in the same vein graduated to the T bleeder. I got tired of over-boosting or under-boosting as the weather changed so I got a MBC. Same difference really. I decided to stop screwing around and bought a Blitz DSBC Spec-R. One of the best purchases I've made so far.

Hope this helps.

jason
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