Could you post some .21 engine that will fit into a duratrax nitro evader? lmk I have some here lmk if they will just drop in.
https://www.ssl-stormerhobbies.com/c...ns&pn=OFN53210
https://www.ssl-stormerhobbies.com/c...ns&pn=OFN53211
https://www.ssl-stormerhobbies.com/c...ns&pn=OFN53212
https://www.ssl-stormerhobbies.com/c...ns&pn=OFN53218
https://www.ssl-stormerhobbies.com/c...ns&pn=WRXP2M21

I also really want to know what .21 engine slapmafro used to make there rc10gt go 55+?
All help is appreciated.

No .21 engines will fit w/out mods. Get the OS.18 cv-rx. It's your best bet.

I have the OS .18 CV-RX in my Evader. It dropped right in and it starts easy with loads of power. No real need to strengthen your drivetrain either. Thats the motor you want.

On top of that, only the Picco engine you linked to has the carb. linkage on the right side. And all of them are slide carbs. You're looking for a rotary carb setup if you want "drop in" easy installation. Slide carbs are more for on raod applications anyway and somewhat of a pain to tune(at least for me).

Slide cab, side exhuast and smaller than a .20 b/c that's is still a small block. .21's are big blocks making them to big to fit on the chassis. YOu can, but again, it won't be a drop in.

please help. After i start my nitro evader and start to applie throttle it will freak out and go full throttle with out me giving it any throttle. it will stop if i applie the break. I tried to change all the batteries in it and it still does it. what should i do?

A .21 can be done, but it would be challenging. The rc10gt already has drop in conversions for one. Also Buzz the carb can be reversed so it can face the correct way, and a slide carb is really easy to set up in an evader just switch the servo around, and make a longer brake linkage. I did mine in 10 minutes. Also if you want crazy power the os .18 tz has more power than some big blocks, and would be fairly easy to fit all you need is a new exhaust since it is a rear exhaust.

You wont ever need a .21 in a st. It will just rip the drive train to shreds. People have problems with a .18 cvr tearin up drive train parts, let alone a .21. The .18cvr has all the power that you will ever want in a st. It already spins the tires to no end and will do wheelies on demand if you can get the tires to hook up. A .18 is all you will ever need.

never mind i fixed it