u/Early-Salamander-614

YD-2R with RDX gearbox.

There is no 380 motor mount for yokomo gearbox and i had to use 540/380 adapter plate.so I decided to build RDX gearbox with addiction 380 with rocket rc 380 13.5T motor.
Length off rdx gearbox bit shorter than yokomo gearbox so drilled hole in chassis.
When MC-III upper deck mount arrives I properly drill additional hole in chassis and upper deck.
Also rdx and yd2 differential are Interchangeable.

u/Early-Salamander-614 — 2 months ago
▲ 19 r/rcdrift

YD2R 3 gear to 4 gear conversion.

Using top of the motor mount to add idler gear.
Spur gear 48P 90T,80T
Pinion gear 48P22T
Idler gear 48P24T
Pinion gear 21T gears don’t mesh,23T won’t fit.
Is still have good spur gear ratio 90T to 80T maybe lower.

u/Early-Salamander-614 — 4 months ago