Usually the engines I pinch last as long as they did from new. There are alot of variables, heat, dirt, etc. I have had more than a couple people tell me after I rebuilt/resized there motor it ran better than they did new. I think it may have something to do with the sleeve having a bit more room to expand out when it gets hot. I prefer to rebuild the whole engine, that way I can check rod/ crank clearances, bearings, polish the piston top and the head button etc. it all makes a difference.

Rex

Hey guys wondering if you can help I have a .21 xpe I love this engine lots of power in my buggy will it work in a truggy I think it will if not does the .24 has as much rip ?

I guess that all depends on your truggy. I have repeatedly tried running .21 engines in my truggy, and I keep going back to my .28. Insane power, still fairly high revs, and about 10 minutes runtime.

I think the .24 Dynamite is discontinued. I have one here and the new piston/sleeve for it, but I have not rebuilt it yet.

I have the xpe and the xp 24 has more power but revs alot less wonder witch one would be best for racing

Dynamite engines are reliable engine. Most of them are made of SH. But dynamite engine is not better then OS or Novarossi engines, These OS or Novarossi engines are a fraction of the price. If you are a world-class racer, Go engine for $500. If you Basher, dynamite / SH is the best engine for your money.