Picco's rock, very powerful engine, expencive to but.
RB engines are good from what l can make out from all the reviews, l bought a 523RB engine to drop in the revo when the 3.3 dies, but the 3.3 just rocks on LOL, but lve owned a picco .26 it was a monster of an engine, awsome, from all the reviews l read on the 523RB is as close to or as good as a picco in every way, l never had an issue with my picco carby, l've heard'' LOL that word again, that datsuns are awsome and nissans are junk, hahaha, have to ask a dato lover/fanboy l guess LOL, damn ears, who needs em ay, we all should be deaf !
If you could hear the screams at the BMX track last week, LOL , got stupid sandy/fine gravel, like on tennis courts, into gearbox, rolled it, ripped body off, was still doing 20klm/h all gravell just went straight into gear box, DOH, the screams, hahaha, why, because l was 30 seconds, l was on the run up to an insanely huge, break ANY RC jump and l had the stupid camera all set up, and rolled it, hahahaha, just imagine that scream, when l find the gearbox jammed !
The engine has some pretty wikid GASHES in the cyclinder head top pplastic protector, after busting JATO engine mounts , LOL more than once, LOL LOL , lm amazed the revo hasent busted one yet !
Oh LOL where was l !
Try an RB engine, lve hahaha, heard'' there good, my bad !