Да ты что!Сообщение от Дмитрий
The CA engine is a 1.6 L to 2.0 L Inline-4 piston engine from Nissan designed for a variety of small Nissan vehicles. It is an iron block, aluminum head design with a timing belt. Earlier versions featured SOHC and 8 valves. Later versions featured DOHC with 16 valves for increased high RPM efficiency and smoother power delivery. It is effectively a Nissan RB block with two less cylinders. Components from valves to lifters, as well as bearings, are similar if not identical to the RB and VG series engines. The motor was expensive to produce being cast iron, so it was replaced in 1991 by the SR series as the primary Nissan 4 cylinder engine.
The CA series engine was the workhorse of the 1980s and was a bulletproof little engine. The power ratings were heavily choked by emissions regulations and Nissan's desire for high gas mileage. The CA design ended in 1990 with the ultimate CA engine, the CA18DET.
Первоисточник:
http://en.wikipedia.org/wiki/Nissan_CA_engine
А здесь про РБхи:
The RB engine is a 2.0L to 3.0L straight-6 piston engine from Nissan.
It has an aluminum head with both SOHC/DOHC versions, with the SOHC versions having 2 valves per cylinder and the DOHC versions having 4 valves per cylinder, all cam lobes move only one valve. All RB engines have belt driven cams and a cast iron block. All turbo models have an intercooled turbo (except the single cam RB20ET & RB30ET engines), and most have a recirculating factory blow off valve (except when fitted to Laurels and Cefiros) to reduce boost surge when the throttle is closed.
Some sources indicate the 'RB' name stands for 'Race Bred'[1], although this is disputed. The Nissan CA engine is a 4 cylinder design derived from the RB engine.
Первоисточник:
http://en.wikipedia.org/wiki/Nissan_RB_engine
Я бы не был столь катигоричным!
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