qestion about 2.7 lump

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surj
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Post Thu Oct 05, 2006 1:06 pm

hi i have a 323i thats been bored to a 2.5 and stroked to a 2.7 i brought the car with this already done it originally had a 2.5 head on i am going to replace the head now with the later 2.5/2.7 head im not sure of the difference between the heads my question is will the car c/r be ok with this head on has all the 2.7 engines on here are standard eta blocks with 320i head any help would be great( oh just rememberd that also im running a motronic setup on the engine instead rather than the old setup)
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chu346
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Post Thu Oct 05, 2006 5:24 pm

The c/r will be the same.
psychochild187
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Post Tue Oct 10, 2006 3:46 pm

i thought the ports on the later 325 head were bigger and the head had better cooling and some other stuff.
Andyboy
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Post Wed Oct 11, 2006 9:40 pm

Nope, they are all the same.