Volvo B18: One of the Best Engines Volvo Ever Made

Volvo B18 Engine

Volvo B18 engine, crafted by Volvo, stood as a cornerstone within their lineup from the late 1950s through the early 1970s.

This robust inline-four powerplant garnered acclaim for its dependable performance and longevity, finding its place in numerous Volvo models of the era. Boasting technical innovations such as overhead valves, cast-iron construction, and a refined fuel delivery system, the B18 engine underscored Volvo’s commitment to reliability and efficiency, bolstering the brand’s reputation for engineering durable vehicles.

Engine VariantHorsepowerYears Produced
B18A75 hp1961-1968
B18B85 hp1961-1968
B18D90 hp1961-1968
B18E100 hp1969-1971
B18F115 hp1969-1971
Volvo B18 Engine Performance Table

(all of these engines are 1.8L) that’s why we didn’t mention it’s displacement.

Volvo B18 Engine

Cars with B18 Engine

The Volvo B18 engine found its home in various Volvo models during its production tenure. Notable vehicles equipped with the B18 engine include:

Volvo Amazon (also known as Volvo 120 series)
Volvo P1800
Volvo PV544
Volvo 140 series

B18 Engine Tuning

The tuning of the Volvo B18 engine has captivated automotive enthusiasts seeking to enhance its performance. An array of aftermarket modifications and tuning options exist to elevate the engine’s power, responsiveness, and overall capabilities.

Common tuning strategies for the Volvo B18 engine include:

Performance Upgrades: Implementing upgrades such as carburetor enhancements, ignition system improvements, and upgraded pistons and rods to optimize power output and engine efficiency.

Cylinder Head Modifications: Enhancing the cylinder head with porting, polishing, and valve upgrades to improve airflow and combustion efficiency, thereby enhancing performance.

Camshaft Upgrades: Installing aftermarket camshafts designed to optimize valve timing, enhancing engine performance across the RPM range and delivering a more spirited driving experience.

Exhaust System Enhancements: Upgrading the exhaust system with headers, high-flow catalytic converters, and performance mufflers to reduce back pressure and enhance exhaust gas flow, resulting in increased horsepower and torque.

Suspension and Brake Upgrades: Enhancing the vehicle’s suspension setup and upgrading braking components to complement the increased engine power, improving overall handling and stopping performance.

If you are interested you should read about the Top 10 Porsche Cars for Collectors

Volvo P1800


  1. What vehicles were equipped with the Volvo B18 engine? The Volvo B18 engine was prominently featured in several Volvo models, including the Volvo Amazon (120 series), Volvo P1800, Volvo PV544, and Volvo 140 series.
  2. What are the common performance specifications of the B18 engine variants? The Volvo B18 engine typically produced around 90 to 115 horsepower, depending on the specific model and configuration.
  3. Are there popular tuning options available for the Volvo B18 engine? Certainly! Enthusiasts often explore performance enhancements such as carburetor upgrades, cylinder head modifications, camshaft upgrades, exhaust system enhancements, and suspension and brake upgrades to unlock the engine’s full potential.
  4. Can the Volvo B18 engine be modified for increased performance? Absolutely! With aftermarket modifications and tuning adjustments, the Volvo B18 engine can be tailored to deliver improved horsepower, torque, and overall performance.
  5. What precautions should be taken when tuning the Volvo B18 engine? It’s advisable to entrust tuning and modifications to experienced professionals who understand the nuances of the B18 engine to ensure reliability, compliance with regulations, and optimal performance gains.
  6. How can I ensure the reliability of a tuned Volvo B18 engine? Regular maintenance, adherence to manufacturer guidelines, and the use of quality components during modifications are crucial to preserving the reliability and longevity of a tuned Volvo B18 engine.

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