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Honda B18 Engines

 

Appeared in 1990, B18 engines were generally found under the hood of Integra models. B18 engines had the widest range among all B-Series engines with over 10 variations. B18 engines can be divided into two main versions. VTEC and  non-VTEC ones. The reason between this was simple VTEC versions were generally used in performance oriented models were non-VTEC ones were used in more "regular" models.

 

 

Besides the short block, which also had some minor disparities, nearly all major components of  those engines were different. The long blocks were completely different. including fuel lines, camshafts, and intake manifold. Displacement was an other difference. Though both had the same bore of 81mm, non-VTEC  B18' s had a longer stroke; 89mm versus 82.7mm found in VTEC versions. This why non-VTEC versions were displacing 1834cc where VTEC versions were 1797cc. VTEC versions had higher compressions ratio and of course the necessary oiling lines to engage the VTEC system.

Honda B18C5 Engine

 

Honda used a simple naming system to seperate the VTEC and non-VTEC versions. VTEC versions recieved the sufiix "C" after B18 where non-VTEC vercions had "A" or "B"

 

JDM B18C was the most powerfull version of all B-Series which was used in JDM Integra Type R.  With hand polished ports and revised itake, wilder camshafts, low friction pistons, lighter connecting rods, fully balanced crankshaft, lighter inlet valves, dual layered inlet and exhaust valve springs, this engine was actually designed as a race engine. It was delivering 210hp right out of the factory and even after 10 years since its production ended, it is still one of the most sought after Honda engines. Please check out Honda B-Series Engines page for general information on B Series.

 

 

Model

B18A1 - B18B4

Displacement (cc)

1834

Power Output (hp)

130-142

Compression Ratio

9.2:1

Bore (mm)

81.0

Stroke (mm)

 89

VTEC

NO

Years Produced

1990-2001

 

Model

B18C - B18C7

Displacement (cc)

1797

Power Output (hp)

170 - 210

Compression Ratio

10.6:1 - 11.1:1

Bore (mm)

81.0

Stroke (mm)

 82.7

VTEC

YES

Years Produced

1990-2001

 

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