The 1HZ Toyota Landcruiser 4.2 Diesel 6-cylinder 12-valve ohc (over head camshaft) is of the IDI or indirect injection design, and delivers maximum power of 96 kW (129 hp) @3800 rpm and maximum torque of 285Nm (210lbft) @2200 rpm.
The 13B-T is a turbocharged version of the 13B engine, with a compression ratio of 17.6:1. Output is 120 hp (89 kW) at 3,400 rpm with 159 ft?lb[I]f (217 N?m) of torque at 2,200 rpm. The later "LASRE" version has 130 PS (96 kW) at 3,400 rpm and 30.0 kg?m (294 N?m; 217 lb?ft) at 2,000 rpm.[SUP][2]
for you 13 Bt is too much enough. 1 Hz is not bat but if i go for my self then i just prefered 13 BT. I had 1Hz in my cruiser and i used it almost 3 to 4 months regular basis. but my vote is just for 13 BT.[/SUP][/I]