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08-02-2006, 08:07 AM | #1 |
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18G on 2006 WRX
So I've been researching on upgrading my turbo on my '06 WRX and it seems like the 18G is the way to go ( I was seriously considering, and still am, getting a new VF34). I'm pretty much trying to avoid having to upgrade my injectors. I've heard that I should be ok with the stock injectors with an 18G, but I've also heard that the stock injectors will be running 100% duty cycle if I do go with the 18G.
So my question is, will this damage or be unsafe for my car to be running 100% duty cycle if I go with the 18G? I also asked if it was ok to run my turbo below its efficiency range until I can upgrade the injectors so that I won't be maxing out the injectors, and they said that it possible. Does anyone have an 18G on their 06 WRX with stock injectors? Any help would be appreciated. |
08-02-2006, 09:44 AM | #2 |
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....there are lotsa deeeeeewwwwwwwds runnin 20G's with the stock injectors.....skip the vf34....get a Walbro 342
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08-02-2006, 10:00 AM | #3 |
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I have been told thought that running stock injectors on a bigger turbo will cause problems... Anyone know what risks I would be taking if I did? And has anyone ran into problems by doing this?
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08-02-2006, 11:51 AM | #4 | |
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Quote:
....are you going to run 20+psi??? no = fergetaboutit |
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08-02-2006, 10:17 PM | #5 |
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you need new injectors with 18g or 20g or mod your current ones.
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08-02-2006, 10:59 PM | #6 |
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You do not need new injectors for the 18g. The stockers will do just fine.
research owns you rpolloc9. Don't take this personally, but don't post miss leading info. |
08-02-2006, 11:03 PM | #7 |
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actually it would be best that you did get big injectors so that you wont leave anything on the table like i did.
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08-02-2006, 11:08 PM | #8 |
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06bluerex,
You runnin the 18? I'm thinkin about going that route in a few months. What injectors did you go with? How much HP you putn down at the wheels? I know what the ran at Cobb on the stockers, I'm currious what the bigger injectors gave you. |
08-02-2006, 11:08 PM | #9 |
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You dont own anything. This is directly from Cobb, Fine Line Imports, my local tuner, and FP themselves. I just did 2 weeks worth of research for myself. They all recommend at least 650cc injectors.
Stock injectors will not run the 18g optimally, period. I'm sure people have run stock, but at what risk? |
08-02-2006, 11:11 PM | #10 |
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i have a FP18G, ebay tmic, turboback exhaust,walbro fuel pump, perrin ebcs,colder plugs and k&n drop in panel filter. my injectors were nearly maxed out. this is what the tuner told me, he showed it to me while he was trying to get a baseline run. i was tuned at MZM in Austin,TX.
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08-02-2006, 11:13 PM | #11 |
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Blue, What were the #'s?
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08-02-2006, 11:13 PM | #12 |
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Yes, they said you would run maxed out with the stock injectors. They highly recommend you not do that...but of course its your choice
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08-02-2006, 11:23 PM | #13 | |
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08-02-2006, 11:26 PM | #14 |
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And the way it seems to be going, I'm leaning more towards the VF34.... I know it won't get me as much power as an 18G or 20G, but atleast I won't have to upgrade my injectors and worry about daily drivability... I know you can pick up a used VF39, which is practically the same as the VF34, for pretty cheap but the way I see it why not just pay a little bit more and get a BRAND NEW turbo that ISN'T cracked (cause ALL the VF39s I've seen have been cracked) and get a pretty nice turbo that'll be relatively safe on your daily driver... Thoughts?
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08-02-2006, 11:33 PM | #15 |
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Keep in mind though that the 18g the VF39 and the VF34 are all three practicly the same. Now if you step to the 20 then that's a different story.
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08-03-2006, 12:01 AM | #16 | |
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08-02-2006, 11:28 PM | #17 |
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My tuner said he could mod (or do a core exchange) my current injectors pretty cheap and they will work great for the 18g.
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08-02-2006, 11:38 PM | #18 |
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ChrisCJ99 I recommend you call your tuner, Cobb, and/or FP and ask them yourself.
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08-03-2006, 12:11 AM | #19 |
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I drove an 06 with a 18g about half an hour ago. I htink the only mods done to the car I just drove were the turbo and fuel pump. There could definatly be more pushed out of the car but it was no slouch. Felt much faster than my stage 2 with header and tmic.
My opinion is that it depends on the tuner. There is someone running a 20g on the stock injectors and making good power. What it comes down to is that if your tuner can not tune the 18g on the stock injectors than you need to upgrade! |
08-03-2006, 12:33 AM | #20 |
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another reason as to why i am going to be running meth/water injection to lower my injectors idc
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