I had a chance to compare some the internals of some different fan clutches whilst tracking down the overheating in the cruiser.
Whilst I can’t actually dyno the behaviours, the pics below tell a story.
The operation of the OEM clutch is explained here - http://neuralfibre.com/paul/4wd/tuning-and-understanding-your-toyota-viscous-fan-clutch
As the pics below show, the OEM clutch has far more coupling rings, more surface area, a better adjustable valve system, and more fluid. The aftermarket is a Daikin unit. Read more... (129 words, 6 images, estimated 31 secs reading time)
I frequently see wiring diagrams for Driving Lights that just don’t work in many cars.
Toyota nearly always and Nissan often use a what is known as “switched earth” wiring for their headlights. They do this so that each headlight can have it’s own 12v supply and fuse, meaning in the event of a problem, you only lose one light. Read more... (416 words, 3 images, estimated 1:40 mins reading time)
Whilst my Mickey Thompson MTZ’s are on the best on-road tyre, they are pretty damn good offroad.
Their wear rate has been a little high so far, and they are vague on the bitumen, tracking and wandering a bit. It is improving as they wear down, but s straight line tyre they are not.
Here is a pic of them working over nasty stuff, mostly at 17PSI with a 100 Series Landcruiser and gear on top. Read more... (77 words, 1 image, estimated 18 secs reading time)
