Ok so I was looking at motors and they say buggy engine truggy engine. But people have a buggy engine in a off-road monster truck. What does that mean when they say buggy engine or truggy engine?
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The facts of it have been told pretty well. It's pretty much up to what you want. Do you wanna bash and have more sudden power to rip the wheels to shreds if ya choose, or do you want a higher top end performance more applicable for racing or high speed runs. I personnaly suggest an OS engine myself, although I'm.running a trx 3.3. And don't forget u can change ur performance greatly with your gearing ratio as well so that somethin.to think about. So all in all its up to what you want out of your rc to make that decision.
A .21 would be the max size you would want in a buggy. As far as truggy engines go... there is no need for a "truggy" engine because a .21 will do just fine. In fact many serious racers prefer a .21 because of run time. And by no means are they under powered. I race a .25 Nova engine and its just ridiculous powerful, I actually have to choke it down with a small venture so that I don't overpower the track and so I get a good runtime. Of course this hurts me in the straits and give advantage to a smaller engine.
O.S. is a maker of nitro engines. In my thoughts they make some decent products. Some better priced than others, but I haven't heard many complaints on em. As long as u don't get a cheaply knock off motor, with proper break in and maintenance you will be more than likely happy. Not saying all problems are caused by poor care, but a lot of premature wear can be avoided by simply taking care of it and regular maintenance. Ie,:not letting it sit with gas half a tank of gas in it for days rather than draining it n usin a lil after run oil. Lol. I learned that the hard way n the poop seized up.
But there's so many choices in a 21 nitro engine, just check their engine spec especially the bore and stroke, long stroker engine has more on torque( low end power) while the short stroke engine has more on rpm top end. plus the tuning pipe can help more on what type of speed range you want. cause i am using Axe rossi mamba in my truggy and it runs well in our tight race track.
You can find it at ur lhs. If I were you i would go and pick up a bottle of after-run oil and a bottle of air filter oil. And if u are going to get a new engine I would pick up a few glowplugs as well. That's pry the more important things. A few items that are nice to have as well though is a temp gun, nitro cleaner (denatured alcohal works too), and if u have an ez start system; I'd pick up a glow plug ignitor. I still prefer those over the ez starts ignitor.
---------- Post added at 7:43 AM ---------- Previous post was at 7:41 AM ----------
The piston wasput in more than likely because it was worn out. Do you know if the sleeve was replaced as well?