Getting past the first tank of gas was the hardest part. Each tank of gas got a little smoother running and easier to start. The engine was nearly impossible turnover when it was brand new. I thought I was going to break the pull cord. By the third tank of gas it was running smoothly and the engine was apparently quite fast. Despite the difficulty breaking in the engine I would buy one of these engines again.
Verified purchase: Yes | Condition: New
This traxxas engine is fast but tuning is difficult starting is difficult I gave it 3 stars because it seems to be a very difficult engine to run and for the amount of money people spend on these hobby rc vehicles the engines should be easier to use and less frustrating it is a fast engine with good power though and traxxas has decent customer service
Verified purchase: Yes | Condition: New
2nd 3.3 engine .. thought first one blew up that wasn't the case. New fuel tank had to tighten screw inside cap or both Motors were puking fuel out the exhaust that way ....I recommend it
Verified purchase: Yes | Condition: New
If you follow the breaking in procedure along with the tuning guidelines as written in the manual you'll have a tight strong engine with hours upon hours of use hassle free. I was at first hesitant to change over from the EZI start system however it won me over easily. I attempted a rebuild of my old engine with not much success, not to mention the cost in a rebuild (bearings, piston, liner and push rod, just the basics) Then reading through forums they nearly had me leaning towards other replacement engines and even contemplating a conversion to electric. With Traxxas exchange program new for old engine I'll be sticking with the Traxxas 3.3 Racing Engine.
Verified purchase: Yes | Condition: New
The box was not factory sealed. And was hard to turn. After removing head & adjusting cylinder sleeve. It's a great running engine. Just taking my time breaking it in
Verified purchase: Yes | Condition: New
I appreciate the time you took to wrap all the items to make sure nothing gets damaged.
Verified purchase: Yes | Condition: Pre-owned
It arrived a day early and has worked flawlessly. It was also cheaper than any other option.
Verified purchase: Yes | Condition: Pre-owned
Powerful little engine... It's crazy how durable it is, takes lots of hard hits and aggressive run time. Im impressed.
Verified purchase: Yes | Condition: New
Great part, showed up fast, looking forward to driving this Tmaxx now.
Verified purchase: Yes | Condition: New
Keep the good work
Verified purchase: Yes | Condition: New
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