RB CXR or Novarossi keep-on 21
#2
Tech Apprentice
Joined: Nov 2010
Posts: 51
From: Portugal
#3
The c11 is better than flash and 35plus21 ,I'm using rb 2018pipe or rb 2092 it perform close to the nova keep on ,best is to use o'donnell 99plug or os RP7 ,infect the new cxr is the same as the c11 only different is the sleeve got 2 more tiny port below the exhaust port for more cooling but it makes no different to me , heat sink different only the wording, i have both cxr n c11 love both of them check it out at amainhobby they are offering rb now with c11 at usd $399 at this price u can out run most others race engine. don't get the cx it a waste of time as the crankshalf is not balance, not hard coated on crank pin no silicon paste plus no ceramic bearing not worth the price u paying for
Last edited by ramspeed; 08-17-2012 at 08:29 AM. Reason: .
#4
Tech Apprentice
Joined: Nov 2010
Posts: 51
From: Portugal
The c11 is better than flash and 35plus21 ,I'm using rb 2018pipe or rb 2092 it perform close to the nova keep on ,best is to use o'donnell 99plug or os RP7 ,infect the new cxr is the same as the c11 only different is the sleeve got 2 more tiny port below the exhaust port for more cooling but it makes no different to me , heat sink different only the wording, i have both cxr n c11 love both of them check it out at amainhobby they are offering rb now with c11 at usd $399 at this price u can out run most others race engine. don't get the cx it a waste of time as the crankshalf is not balance, not hard coated on crank pin no silicon paste plus no ceramic bearing not worth the price u paying for
#8
#11
just picked up a serpent 977wc with a RB CX... cant wait to try this out but am thinking as well to go get this moded by Podified mods up qld.. and get it running full ceramics if it isnt.. get this baby singing smooth and quick.. anyone think its really needed.. as the CX is the lil bro of the CXR... which has tripple weighted crank with the putty...
#12
How good is your driving?
If you do need that last tenth of a seccond to become a world champion then yes, Ceramics can help. If you are far from that you can better spend the money on spare parts to keep that car running.
If you do need that last tenth of a seccond to become a world champion then yes, Ceramics can help. If you are far from that you can better spend the money on spare parts to keep that car running.
#13
thanks for the 2nd view point
#14
yeah all things considered, yeah capable but just getting back to onroad while ive spent more in off road 1/8th.. its not a stretch in getting used to... im yet to find internal pics of the CX so im not sure how much it has had done.. from there id weigh the options..
thanks for the 2nd view point
thanks for the 2nd view point

The standard RB CX (2012 engine) is just as fast as the RB CXR (2012 engine). The only difference is the counterweights in the crank shaft, the exhaust, transfer and crank timings are identical between the two models, the CX is a very good engine based on the Novarossi Flash PT/35 Plus 21 era of engines.
The RB CXR SLS DI9, CXR SLSV2 which were the longer stroke design were fantastic, tonnes of power through out the entire power band, these were based on the Novarossi Keep-on and were immense engines.
RB pistons were cut from billet where as Novarossi were made using microcasting, the reliability of RB engines was fantastic, as was the performance.
Very good engines!
#15
The standard RB CX (2012 engine) is just as fast as the RB CXR (2012 engine). The only difference is the counterweights in the crank shaft, the exhaust, transfer and crank timings are identical between the two models, the CX is a very good engine based on the Novarossi Flash PT/35 Plus 21 era of engines.
The RB CXR SLS DI9, CXR SLSV2 which were the longer stroke design were fantastic, tonnes of power through out the entire power band, these were based on the Novarossi Keep-on and were immense engines.
RB pistons were cut from billet where as Novarossi were made using microcasting, the reliability of RB engines was fantastic, as was the performance.
Very good engines!
The RB CXR SLS DI9, CXR SLSV2 which were the longer stroke design were fantastic, tonnes of power through out the entire power band, these were based on the Novarossi Keep-on and were immense engines.
RB pistons were cut from billet where as Novarossi were made using microcasting, the reliability of RB engines was fantastic, as was the performance.
Very good engines!
ok thats nice to know... thanks for the info.. muchly appreciated




sad news, once rody roem left, it kind of went downhill, Been running RB's since the 90's
