Kyosho Mad Mega Force with a almost new GS21R motor in it.

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Uploaded by on Jul 7, 2007

Pulled my other motor out and stuck in my like new GS21R from out of my mad force into this one, I just was not happy with the idle and was having a bit of trouble tunning it, so I installed the newer engine, and boy did it make a huge difference.

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Autos & Vehicles

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Uploader Comments (funboy6942)

  • funboy the gs21 is better from the gx21

  • Without question the GS21motor with the ORANGE HEAD NOT BLUE is a MUCH better motor. The Bklue head is a POS, just got one thinking, COOL, mad force build, neet blue head, opened it and was pissed. No rounded off rods, no kick ass ports in the sleeve, looked like a GX21 in sheep's clothing to tell the trut, minus 2 head holes for it still had but 4 like the orange.. The Orange head one runs very hot, but rvs HIGH, and lots of power. Putting another orange head back in the mad now.

  • Yeah, the older one before the Mad Force with a Small .15, auto Start, and 2 shocks on each wheel with forward/reverse tranny, brakes only if you put in a 3rd servo. I found a way around needing the 3rd servo, got rid of reverse, and dropped in a mad force .21 after many mods to make it fit.

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  • Yeah I dropped an axial .28 (with great difficulty) into my megaforce. I tricked up all the diff's first, converted to a 3ch radio so I had bakes and reverse too. Great bit of gear still going strong.

  • Where did you buy the engine? Does the transmission hold upp for the power?

  • cool cool super cool

  • beautiful i have a traxxas bandit and a hpi rs4 pro 2 with a .21 its hella fast

  • This is the one with the double shock per wheel?

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