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So, a simple way to get a 24T pinion gear in a Mini without any butchery- it's as easy as finding a motor with the dual mounting holes and a thinner can/smaller diameter 540. This allows you to use two mounting holes on the front side, moving the motor back for the bigger pinion. With the stock bolts in the 16T chassis holes it just fits, although you might have to slightly enlarge the holes depending on the motor you find and if you use fully threaded bolts that would be .1mm smaller on the shaft portion. That's 20% more gear! Pics are from Aug. 2011 so at least that long ago...

"Half and Half" is what I've nicknamed Tamiyas more eccentric on-road chassis designs, that being the plastic "brick" designs that double as the transmission. I've mentioned before that the design is a bit worrisome for future repairs, but at the same time I've found it interesting from a design standpoint compared to the more recent tub TT designs. Is there any real benefit of the old "half and half" design over todays tub designs? I don't think that I've seen any other RC company attempt a similar design. I thought about this as I worked on an ECX 4WD and noticed just how similar it and about a dozen other modern 4WD RC chassis look.

Hello all, Well, the postal delivery folks brought me another eBay purchase today. I picked up what was advertised as a Tamiya M-05 chassis. It's a brand new roller chassis that's never been run, but completely assembled save for a steering servo, ESC, receiver, and tires. Not sure what I plan to do with this vehicle yet, but it was cheap so I snapped it up. However, after doing a bit of searching online (as you do) I've discovered that the wheels on the model itself look to be from the Tamiya 2006 Mini Cooper S (kit #58400), which used an M-03L chassis. Now, it's very likely the seller may have simply installed a spare set of wheels they had left from a different build, but it's now raised the question: how can I identify whether the chassis I've purchased is an M-03L or an M-05? Thanks in advance. Cheers! Michael