Quote:
Originally Posted by serialk11r
Problem is 1ZZs exclusively came with 5 speed transmissions (horrendous garbage) in the US, while 2ZZs exclusively have 6 speed transmissions.
The 2ZZ has MMC liners, and exotic something else, and is a capable engine across the whole rev range, in fact I wouldn't be surprised if it were more efficient across the board (maybe except at very low rpm) due to the friction reduction measures.
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One other notable 2ZZ feature as compared to the 1ZZ is an 11.5:1 compression ratio instead of the 10:1.
Also the Lift Cam doesn’t engage on the 2ZZ until roughly 6200 RPM, so for >99% of all driving it isn’t helping or hurting you.