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Discussion Starter · #1 ·
Has anyone got any rolling road figures before and after grommet removal on a standard Evo 6.

I know there have been a lot of threads concerning the grommet but I could not find any with any power figures. Most threads say that the owner noticed a difference but it would be nice to see real figures.

If there are any could you let me know what the increase was.
 
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Discussion Starter · #2 ·
now, what the heck is a grommet on E6?! the same applies to E4?! where is it located and how to remove it?! DIY possible?! pls enlighten me...
 
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Discussion Starter · #3 ·
sk_evo4, do a search for grommet in the technical section.

You will find all the info you need as to what and where but I am not sure about on a 4.
 
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Discussion Starter · #4 ·
jjk

I have the restrictor removed from my 6 and will be doing the rr on this saturday where I intend to do two runs..one with and one without..

hopefully will put to bed the rumours...I am not sure if the ecu will adapt itself that quickly between runs? though perhaps evoboy could oblige?
 
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Discussion Starter · #6 ·
Re:RR figures before, after gromet removal on a 6

Bizz,

it was exactly 18 BHP on my standard E6TME, measured at PE's RR.
The day was very hot and after the removal of the grommet the car had
about 295 BHP (don't remember the revs). The grommet was put back
afterwards ...
 
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Discussion Starter · #7 ·
Re:RR figures before & after grommet removal on

Are you telling me you want to modify your car for some extra gee gees!!!

Steve
 
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