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Originally Posted by gt86mods
I thought the same thing until I did some research, supposedly on Subaru boxers the plugs are accessible from the top of the engine not the heads like you'd expect on an inline car. I could be wrong but that's info I got from nasioc.
EDIT: found some DIY videos and it looks like you are right...they show you removing the coil packs & the plugs from the sides. Again this was my gut feeling not sure what I was reading on nasioc that made me think differently: http://forums.nasioc.com/forums/showthread.php?t=40501
Part of me assumed Subaru had some trick engine design that allowed for ease of maintenance, but I don't think any manufacturer truly cares about that, harder to work on means more money from maintenance. |
Single cam EJs have the plugs angled upwards at a 45 degree angle so you can reach them fromt he top. The Dual cam EJs have the plugs in the middle of the heads like most other DOHCs.
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I'd imagine this has something to do with such a low COG, instead of risking cracking an alloy pan they'd rather have you dent your steel pan. Seeing as how the engine is so low adding the extra few pounds at the bottom of the car wasn't an issue. All suspension arms look like they are steel as well for the same reason. Converting them to alloy would essentially raise the COG and hurt handling dynamics.
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I think it might be a cost issue. Look for the STI/TRD version in the future to have aluminum suspension components. That's the way Subaru usually does things.
I'm happy with a steel pan. Considering how often I see cast aluminum pans with stripped oil drain plugs, I'm happy with steel.
I still think that can't hold very much oil.
Quote:
Originally Posted by Crashoverride
With the headers so close to the oil pan aren't they worried about coking.... basicly boiling and charing the oil in the pan....  which causes rings to fail, and carbon buildup through the motor. |
Not with proper heat shielding. The STI header is very close to the pan also and there aren't issues with cooking the oil.