Alfa Romeo 33 905 1.5L AR30588 Petrol Engine.

Alfa Romeo 33 (905 Series) 1.5L Flat-Four Petrol Engine For Sale 

Classic Boxer-style power unit, used Engine For Sale

This Alfa Romeo 33 905 1.5L AR30588 Petrol Engine is a classic boxer-style power unit that represents Alfa Romeo’s unique engineering approach during the late 1980s and furthermore early 1990s. 

Furthermore known for its low center of gravity, smooth revving nature, and distinctive exhaust tone, furthermore this horizontally opposed engine is an excellent choice for period-correct restorations, classic rebuilds, or enthusiasts seeking to preserve the authentic driving feel of vintage Alfa Romeo models.

The 1.5L flat-four engine was primarily fitted to the Alfa Romeo 33 1.5 (Series 1 and Series 2, Type 905) produced between the mid-1980s and early 1990s.

Variants of this boxer engine were also shared with other Alfa Romeo models of the era, including the Alfa Romeo Alfa sud 1.5, Alfa Romeo Sprint 1.5, and also selects Alfa Romeo 145 early boxer versions, depending on production year and regional specification. 

This shared platform allows good compatibility for restorations and engine replacements using original Alfa Romeo mounting configurations.

 Specifications, Common weaknesses and Maintenance.

From a technical perspective, the Alfa Romeo 33 1.5 engine moreover features a 1.5-liter horizontally opposed four-cylinder petrol layout with an aluminum block and heads. Moreover it utilizes a SOHC 8-valve configuration, carbureted or single-point fuel injection depending on model year, and produces approximately 95 horsepower and 92 lb-ft of torque. 

The flat-four design contributes to balanced handling, moreover reducing vibration, and responsive throttle behavior, furthermore making it well suited for lightweight front-wheel-drive platforms.

As with many classic Alfa Romeo engines, there are also common weaknesses and maintenance considerations. Timing belt replacement at proper intervals is critical, as belt failure can cause severe engine damage. Cooling system components and rubber hoses should be inspected regularly, as age-related deterioration is common. 

Carburetor or fuel injection tuning may be required to maintain smooth running. With attentive maintenance, this Alfa Romeo 33 905 1.5L AR30588 Petrol Engine delivers reliable performance, classic character, and enduring Alfa Romeo heritage.