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Subaru Legacy - Wikipedia, the free encyclopedia (1909 words) |
 | Single and twin turbo models existed only in world markets, never available in North America. |
| Twin turbos were used until 2003 when a single twin-scroll titanium turbocharger sourced from IHI and Mitsubishi- for automatic transmission models (and very similar to that used in the Mitsubishi Lancer Evo VII onwards) was adopted by Subaru. |
| A revised version, with a single overhead camshaft, was available in North American models beginning in 2000. |
| InsightCentral.net - Encyclopedia - Honda Insight VTEC-E System (246 words) |
| The exhaust rocker arms are made of aluminum. |
| The IMA engine's single overhead camshaft (SOHC) cylinder head uses a compact chain drive in place of a toothed belt, and features a new compact, low-friction VTEC valvetrain that uses a common shaft for both the intake and exhaust rocker arms. |
| Placing all the rocker arms on one shaft eliminates the need for a second rocker-arm shaft, so the valve mechanism can be more compact. |
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