Quote:
Originally Posted by Sammus
The D8 uses the spiral cut diff gears. At least the hot bodies site lead me to believe such a thing. I bought a Lightning buggy just before release of the D8 and it has straight cut.
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Ok, I have the buggy and truggy gears, and only the truggy are spiral cut. From what Sikeston found the spiral cut tends to place addl thrust on the inner pinion bearing, potentially causing failure. I would generally stick to the buggy gearing.
On a side note, the lst diffs incorporate a spacer between the inner and outer pinion bearings. This is handy for multiple reasons, as you can assmeble the bearings,spacer and the drivecup on the pinion and then just drop it into the diff case. Plus the spacer will spead any thrust load across both of the bearings, which should help the races survive.
I am not that good with electronics theory, but I can sure see mechanical failures before they happen. No real need to mess with the truggy gears.