FJ40 vs BJ42. Same same, but different? The J40, or simply 40 Series Landcruisers are probably best known via the FJ40-45 models which predominantly came with 4.2 litre straight six Toyota 2F engine, or another F series variant. Our project here is a BJ40 series (BJ42 specifically) that is fitted with the mighty Toyota 3B, a 3.4 litre inline 4 diesel engine producing a massive 90hp at 3,500rpm. While it is a great little engine, it is lacking in performance and old mechanical setups are outside