Originally Posted by Rapid Roy
I believe some of the impulse parts will also fit on the 950 so that may make your choice easier. I know that the 2 speed is the same.
I am pretty sure that the 2 speed is not the same. The Impulse Pro uses the old 2sp, while the 950 was the first Serpent o use the new lightweight 2sp. Centax are also different. Very few parts are shared among those two cars.
MRX3 is an excellent car, but I think 950 is better.