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Evo 8 head question. G6ew 1 vs. g6ew 2

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Old Mar 20, 2014 | 10:47 PM
  #1  
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Evo 8 head question. G6ew 1 vs. g6ew 2

I have a 2003 Evo. The head that it came with has g6ew 1 stamped on it. I also got an extra head with the car that is stamped g6ew 2. According to a guy at one mitsubishi dealership in August of 2005 there was a change but he had no clue what. I am finishing putting my stroker motor together and I used the g6ew 2 head and the two differences I have found thus far: the water pipe is larger and has two outlets as opposed to one small one on the older one. The second is what I need help with. The cam sensor goes on the back of the camshaft in a housing. In that housing there is a cylinder that bolts to the cam (what the sensor reads when it rotates). Here is the issue. The early version has one large and one small piece sticking up where the sensor reads, the other version has a large and a medium piece.
So do they read different ? Which one should I use ? Will my ecu correctly read the early version only or is there something different in the newer head that requires that cylinder ?

I will add photos but it is giving me difficulties in doing so currently
Old Mar 21, 2014 | 05:11 AM
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Evo 8 head V/S evo 9 head? pics?
Old Mar 21, 2014 | 10:41 AM
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i am trying to upload the photos but it keeps telling me file failed. I made sure it is a small enough file. Not sure why i cant get them uploaded

Both are evo 8 heads
Old Mar 21, 2014 | 08:17 PM
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Sounds like the split in dates is due to probably in Aug 2005 that's when the evo 9 parts apply. Probably its a evo 9 head not a 8.
Old Oct 14, 2014 | 02:25 PM
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Just wondering if you ever found put the difference between the two
Old Oct 15, 2014 | 05:01 AM
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Never found out the official differences. All I found was a water pipe insert was different and a piece of the cam sensor that is different. I am almost ready to start the car up finally. It's been on the back burner for some time unfortunately
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