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Originally Posted by Dimman
That's more the application than the technology. (I actually assumed that they had it on both though.) Power was good, torque delivery was pretty flat judging by the dyno sheet that was posted. Economy was good. I can't see any problem besides cost. A shame. It really needed to go in the MR-S.
I think there was some policy shift somewhere that said 'We're done with performance. Get rid of these 2ZZGEs in any way you can, Corollas, Matrix, Pontiac, Lotus, I don't care just get rid of them. They are too expensive and aren't green enough.'
It's these decisions, plus the whole Scion thing that make me really nervous about what's going to happen with the FT86. And I have a high degree of Toyota fanboism...
Edit: I also heard that they don't have conventional pressed-in valve seats, but the aluminum maybe has some of that MMC there instead?
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To each his own, but the 2ZZ is 2 years older by introduction.
Your second paragraph made me smile. It's a little know rumour that there are supposedly only 6619 Corolla XRS produced between 2005 and 2006. No demand? No engine? or both??? hmmmmm
I haven't heard of MMC being used on the head or anything odd about the valve seat. My quick search didn't reveal anything about it either. Perhaps I'll let you know if I ever take the head off...