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Nissan Anti-Pollution System (NAPS) was the market name for Nissan's collection of Emission controls. Sometimes confused with the Nissan Z Engine. NAPS was used in 1976 on many types of Nissan engines, including A14 engines. A catalytic converter was the heart of the NAPS system.
Overview
NAPS日産排出ガス清浄化システム -- Nissan NAPS exhaust gas cleaning system.
エンジン改良＋酸化触媒」- slogan "Improved engine + oxidation catalyst system"
reference: http://www.nissan.co.jp/MUSEUM/SILVIA/S10/main.html
NAPS L-series Carburetor Specifications 1975 service manual 330
- Catalytic Converter
- EGR
- Air pump
- Temp-controlled air cleaner
- Charcoal Canister
- Automatic Choke
NAPS A-series Engine
- 127 pages
NAPS emblem for Japan-market Datsun B210
- 84890-F2000 MARK-REAR 'NAPS'
マーク エンブレム NAPS
Timeline
Oct 27, 1975: B120 Datsun 1200 Pickup B120
- H-emissions (H-B120) 50年度排出ガス規制適合。
- 50 relevant regulations of emissions.
- Nissan catalyzed oxidation of exhaust gas cleaning system "NAPS" adopted