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O.S. SPEED and Adam Drake have worked together once again to bring you the New Adam Drake B21(AD3) edition engine!
Adam Drake is a multi 1/8th Scale holler National Champ who is famous for his extensive knowledge of Nitro racing engines that covers over 25 years. The O.S. Speed B21AD3 engine has a number of updates from champ Adam Drake. Based off the B21AD2, the new functions of the AD3 consist of a boost bypass processing for the crankcase that increases throttle action, assists the engine run smoother and makes it simpler to drive. The new AD3 signature cooling head is anodized black and has blue external rings that compliments Adam's distinct style.
The AD3 cooling head is 14g lighter and lower profile to assist lower the center of gravity and improve driving efficiency. The inner head utilizes a new black O-ring to minimize vibration and improve dust resistance. The new backplate has an integrated thrust plate to minimize friction between the connecting rod and the backplate making the engine more long lasting and will increase engine life. The AD3 comes with two various carburetor restrictors, 6.5mm for Buggy and 7.5mm for Truggy.
You can acquire the AD3 as engine only or the AD3 engine combo set. It's an outstanding choice for both buggy and truggy racing as it provides a linear power band, exceptional fuel mileage and tons of general power.
Partnership with O.S. worldwide team driver ADAM DRAKE, a numerous holler champ.
By adopting a boost bypass processing for the crankcase, the engine runs more smoothly.
ADAM DRAKE's image color, blue anodized aluminum is applied to the cutting part of the new external head, and two-color anodized aluminum with new style is utilized to minimize weight and lower the center of gravity and improve driving efficiency.
In addition, by adopting a cover plate with an integrated in thrust plate, wear due to interference between the connecting rod and the cover plate during rotation is reduced and engine life is enhanced.
The inner head utilizes an O-ring to minimize vibration and improve dust resistance.
Blue anodized restrictors, 6.5mm for buggy and 7.5mm for truggy comes requirement.
KYOIFW701
