# Yanmar Engine Swap Doubles Land Cruiser Power

> A Yanmar marine engine swap in an 80-Series Land Cruiser boosts horsepower to 320.
- Title: Yanmar Engine Swap Doubles Land Cruiser Power · The Drive
- Summary: A Yanmar marine engine swap in an 80-Series Land Cruiser boosts horsepower to 320. Replacing Toyota's 12-valve diesel with a 24-valve Yanmar marine engine…
- Keywords: yanmar, toyota land cruiser, 80-series, engine swap, diesel, horses, cars, technology, Engine, Swap, Doubles, Land
- Source: The Drive — https://thedrive.com/news/stuffing-a-yanmar-diesel-boat-engine-in-an-80-series-land-cruiser-doubles-the-hp
- Author: Stephen Edelstein
- Published: 2026-10-31T15:00:00+00:00
- Read time: 1 min
- Topics: yanmar, toyota land cruiser, 80-series, engine swap, diesel, horses, cars, technology
## Engine Swap Boost
A Yanmar marine engine swap in an 80-Series Land Cruiser doubles horsepower to 320.
## Engine Differences
The Yanmar engine has 24 valves versus the stock 12-valve Toyota engine.
## Performance Gain
Zero-to-60 mph time drops from 16 seconds to 8.8 seconds with stock air intake.
## Modifications Made
Seawater pump removed, Toyota cooling system installed, and oil sump replaced.
## Key takeaway

Replacing Toyota's 12-valve diesel with a 24-valve Yanmar marine engine doubles the Land Cruiser's horsepower to 320.