I have no experience myself, but from what I hear they break easily because of the location and don't hold pressure well so you don't get as much power from the engine, but maybe someone here can give you a first hand response...
I've herd that aluminum shocks bend very easily and really arn't worth the money, more for show then for performance, the stock shocks are cheap and usually hold up well, one of my rear shocks was leaking pretty bad so I checked ebay and found a set of 4 savage X shocks pulled off a brand new...
You can pick whatever one you like, you just have to pay the exchange amount, which is a lot cheaper then buying it somewhere else, and if you don't plan on using your old engine its a good idea. for example if I wanted to replace my 21BB for a K4.6 I pay $150 if I just want a new 21BB I can do...
Hi, I just got into the nitro scene when a friend of mine who was moving away gave me his stock savage 21, I have been working on it the past few days and just bought my first hop-up for it, a motor saver air filter, I read around the forum and heard people talk very highly of them, found one on...
I can't link directly because it will just take you to the home page of HPI but here are the directions to get to it
*Go to HPIracing.com then > Customer Support > its under Warranties*
I was looking thru the HPI website and came across their engine exchange program, you can send your engine in to them and they will send you an engine of our choice back to you for the amount listed below, it doesnt matter if your engine is running or not. I'm sure you all know about this...