ttoks
Posts: 3665
Joined: 3/15/2007 From: leongatha,VIC, AUSTRALIA Status: offline
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the 323 is a 7 port (5 intake plus 2 bypass plus 1 exhaust) and the 523 is a 9 port (7 intake plus 2 bypass plus 3 exhaust), there are a lot of differences though, the 523 uses a 14.2mm crank, the 323 uses a standard 13mm, the 523 also has larger bearings, a new head button, and the crank case is ported differently because the sleeve is A 9 port rather then 7. neither will drop directly into the max or revo, the crankcase is much wider then the stock engines, you need the RB engine mounts (which are supplied with the engine along with an exhaust system) here is a link to the 523 kit for the maxx, that is the best deal i could ind for the max kit at $258 USD (the revo kit costs the same). the only place i could find that sells the 323 for either the max or revo in an Australian online site, the 323 has been removed from RB's website so it may have been discontinued, i don't know for sure though.
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when the cop pulls you up doing 234 km/h and asks if you knew how fast you were going, say "yep i had cruise control on
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