That thing must really move with a 60 series motor. They were haulin around a whole lot more truck than what a 40 is.
One would think but only marginally in truth.

The best 'power' mod I made was getting rid of the ridiculously over active 7-blade fan, what a hp robbing piece that was.
When removed, the FJ40 actually feels almost peppy around town and on the highway allowed for higher rpms without the jet engine noise.
I can travel 65/70 now...go figure.
Copied from Wiki:
The 3F debuted in 1985, but wasn't available in the American market until 1988. Differences from the 2F engine include a modified cylinder head to reduce warping and separation from inlet and exhaust manifolds, the introduction of
electronic fuel injection (EFI) in some markets, a vastly improved emissions system, and a smaller displacement resulting from a shorter piston stroke. The displacement shrank from 4.2 liters to 4, but even with this reduction, the engine power increased by 15 kW (20 hp) and 14 N·m (10 lb·ft) of torque. As a result of these changes to the engine design the
redline was increased, allowing a wider
powerband which made this engine far more suitable for on-road use.