There will be a lot of individual opinions when it comes to "Which is the greatest 1.6L atmo-fed 
production motor ever" question. Some may say Nissan's SR16 VVL N1, plenty of Mitsi die-hard will say MIVEC and Toyota hardcore fan will bet on their 20-valve 4AGEs. My vote is to the legendary ass-kicking Honda B16B; which came with CTR EK9. Available worldwide (even though it was produced as a JDM; go thank your local junkyard), this masterpiece is a re-work of an already good engine; B16A.
Take note that swapping B16B head into B16A will not make it a Type-R, not even close to it. The internals for B16B were far way better from what the stock B16A is having. Plenty of vital parts right from the top of the cylinder head down to the bottom of the block (which actually is a de-stroke version from Integra's B18CR block) were revised to create this 8400 rpm screamer with an ass-whipping 185ps on the fly. Check out the specification below.
* direct translation
** credit to http://asia.vtec.net/
In order to increase the power output by 15 hp, and the max RPM by 200RPM, the engine goes through many upgrades. It should be noted that the B18C spec.R's cylinder block is used for its endurance.- Cylinder Head - Complete port & polish
- Exhaust Valve Spring - High-lift, dual-layered spring
- Sparkplug - High-heat-type #7 platinum plug
- Pistons - High-compression, low-friction, custom pistons
- Connecting Rod - High-output, high-durability, lightened, custom conrod
- Engine Stiffener - Aluminum die-cast, high-durability, one-piece type
- Crankshaft - Full-balancer, 8-weight, high-output, custom crankshaft
- Inlet Valves - Lightened inlet valves
- Inlet Valve Springs - High-lift, flat-surfaced, dual-layered spring
- Camshaft - Wide-angled, high-lift, high-durability camshaft
- Intake Manifold - High-RPM type.
The camshaft profiles (wild cam) change from 4G92, B16A 160ps to 170ps and finally to B16B are :
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