FM-A vs AR Chassis: Choosing Between Front and Rear Motor Layouts
Choose a layout and maintenance approach, then budget for the exact kit and compatible parts. A front motor alone does not guarantee better landings.
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This set adds side-mounted mass dampers to help settle a Mini 4WD chassis after bumps, jumps and lane changes, improving straight-line stability. It includes two FRP side plates plus four mass dampers — a mix of bowl-shaped (3.4g each) and cylinder-shaped (4.2g each) weights — so builders can experiment with damper mass and placement. It fits FM-A, Super XX, AR and MA Chassis cars, though some chassis or bodies may need modification to clear the side-mounted dampers.
Choose a layout and maintenance approach, then budget for the exact kit and compatible parts. A front motor alone does not guarantee better landings.
A close look at Shadow Shark's AR chassis, distinctive shell, included wheels and the gear-ratio discrepancy in Tamiya's own product pages.
Tamiya 15456 and 15516 bundle five gear ratios, 3.5:1 to 5:1, but fit different chassis. Compare contents, price and fit before buying the wrong set.