I have buildt this from the following parts:
PN Ultra light weight differential shaft. MR2045UL.
QteQ Ultrra light weight differential housing set. QT-081101
QteQ Light weight differential left hub. QT-080801
Reflex Racing 64 pitch Machined spur. RX1154
Reflex Racing High grade ceramic thrust bearing. RX1137
Reflex Racing Light weight 8mm diff rings. RX1134S
Reflex Racing ceramic differential balls. RX1119
Assembled, this differential weighs in at 5.0 grams. This is complete with left hub.
The diff is a large rotating mass, and this has a large impact on the overall handling of the car.
The lighter your diff is, the faster your car will accellerate, and the faster it will decellerate. This is one of the strongpoints for myself, as I love a car that has lots of motor brake.
The drivetrain gets much more efficient because of less friction between the spur and pinion. The spur is much narrower than other spurs, and is almost everlasting. The only downside is that you wear out the pinions at a higher rate, but everyone wants to go faster right;-)
The spur has 6 balls. This makes it quite grippy, and you can adjust it quite loose and still have sufficient engagement.
My favourite diff grease is at the moment the R246 ball diff grease.
Click here for a maintenance tutorial.
Here are the reviews of the main parts:
Review PN Racing Ultra Light alu diff shaft
Review Reflex Racing Spur gear V2
Review QteQ differential parts
Here are some product links:
R246 Ball diff grease
PN Racing Ultra light weight shaft
Reflex Racing Spur gear
QteQ Left hub
QteQ Diff housing
Reflex Racing High grade thrust bearing
Reflex Racing Light weight diff rings
Reflex Racing Ceramic diff balls
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