Steve Campbell
Posts: 4203
Joined: 12/8/2001
From: Zachary,
LA, USA
Status: offline
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Justin, I'm on my third truck. All have been run with "airplane fuel". My pals with the T-Maxx and Savage also use "airplane" fuel. The old myth about "airplane" fuel ruining your car/truck/buggy engine is just that; a myth.
Nitro content is not as important as oil content. Most "car" fuels have a much lower oil content than "airplane" fuel. Yes, the car fuel gives a bit more performance; at the expense of engine life and higher purchase cost. My two buddies run Cool Power 15% in their trucks; I use Omega 15%, because it has some castor. Castor, while messy, gives protection against lean runs and bearing rust that the synthetic simply cannot provide. These fuels have 17%-18% oil content. That's plenty. Much more and you'll load the engine down somewhat.
There are some "car" fuels, such as Trinity, that I hear are beginning to go with the higher oil content. Lots of guys are getting tired of replacing pistons and liners because of the low-oil "car" fuel. But every "name brand" airplane fuel that I know has plenty of oil, and should run fine in your new truck.
One caveat: some of these fuels are dyed a distinctive color and will stain your internal engine parts. That doesn't hurt a thing; but it does tip off anyone who looks that you haven't been using "approved" fuel. I believe Traxxas will not honor their warranty if you haven't used their fuel. That's lame, but their business. So, it is something to consider.
The only thing you really need to watch is running the truck too lean. That will hurt the engine big-time. The T-Maxx has, without a doubt, the best manual in the industry. You just can't screw up if you READ and follow it. Use their fuel if the warranty thing bothers you. But know that they are ripping you off with the scandalous prices.
Good luck...
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Nitro Stadium Trucks >> RE: Official HPI MT2 Thread 
RE: Official HPI MT2 Thread - 
If you prime, the fuel should go to the carb through the fuel line attached to the bottom of your tank. The tubing going from the pipe to the top of your tank should not carry any fuel. It's there to provide some pressure in the tank once the car is running. That way fuel will be 'blown' to the carb, so you don't need to keep pushing that primer once the car is running. As stated in the