page_title: Volvo Redblock Engine
hierarchical_section_title: Volvo Redblock Engine
caption_attribution_description: English: 1989 Volvo 745 B230F Engine photographed from below vehicle, looking up. Radiator and AC Condenser removed for visibility.
context_page_description: The Volvo B21 is a slant straight-four engine first used in the Volvo 200 series, meant to replace the B20. The B21 and all derived engines are often referred to as red block engines for the red paint applied to the block. The primary differences when compared to the B20 was the switch to a SOHC in place of the older pushrod configuration, and an aluminum crossflow cylinder head versus the iron head of the B20.
context_section_description: The Volvo B21 is a slant straight-four engine first used in the Volvo 200 series, meant to replace the B20. The B21 and all derived engines are often referred to as red block engines for the red paint applied to the block. The primary differences when compared to the B20 was the switch to a SOHC in place of the older pushrod configuration, and an aluminum crossflow cylinder head versus the iron head of the B20.
caption: B230F Engine
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