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Discussion Starter · #1 ·
I read in a performance thread that you can mill the head down to increase compression. I then read that doing so on a OHC engine such as the 2.3 would mess with the cam timing. Is this so and would it affect it that much that I would have to replace the cam gear with a tuneable one?
 

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for what small amount you are going to mill,it should not affect the timing....but a tuneable cam gear is a good part to install so as to get that timing dead on.
 

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is that the gear that has the four screws in it. and you can loosen the screws and turn the outer part without messing with the cam?
 

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I think having the head machined is a good idea.
 

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Discussion Starter · #6 ·
It would be a decent boost in compression and could be accented better by more free flowing air intake and exhaust.
 

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Thats a good reason to do it especially on something that has 87hp stock.
 
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