You can use it on a stock eta.. Not much reason too, and im not sure how the ignition timing would cope with the short duration eta cam. Someone on here did it though. I forget his name.
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Has anyone put an ETA intake mani on an I head?
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Listen to this one...........I pulled the engine out of this 88 325i, I knew the engine had been replaced, but I had no idea it was anything different. Come to find out someone had installed an eta head/block, built up with all "i" intake and injection and dme. The car seemed to idle ok, but has anyone here done this?
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pop the valve cover to see if the head is still stock. It will have a 7 bearing cam instead of a four bearing cam.
Essentially right now my engine's block and head are just an eta. I have taken all of the external parts from the later 325i m20b25 (intake, exhaust, full engine harness with #173 ecu, etc). I also added the 19# design III injectors with the m30 AFM and a cheap ebay chip. There is a nice performance gain in the top end and the torque has improved some.
I had aquired another eta cylinder head that I was in the middle of porting out to the "i" sized intake/exhaust ports, plus drilling the oil holes for a 7 bearing cam.
I managed to come across a deal on a 323i #731 casting cylinder head that I couldn't pass up, so I am going to use it now. I have also ported this head out and made the flow pattern similar to the "i" intake and enlarged the exhaust side quite a bit plus a mirror polish on the exhaust side. I keep getting set backs, but it looks like in 3 weeks I should have this head on the car.
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