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Old 02-25-2011, 08:34 AM   #61
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Hi!

Now i Have a very big problem.

What differences are between OS SPEED VZ-B and OS SPEED XZ-B ?

IS XZ-B is more reliable then VZ-B?

Because VZ-B cost 388$ (absolutehobbyz) , XZ-B cost 499$.

I have more one option Novarossi +4 BTT but I think I would rather OS.

OR I can buy VZ-B and I don't feel big difference IF I buy XZ-B ?

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Old 02-26-2011, 11:10 AM   #62
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Originally Posted by Jakub Kusiewicz View Post
Hi!

Now i Have a very big problem.

What differences are between OS SPEED VZ-B and OS SPEED XZ-B ?

IS XZ-B is more reliable then VZ-B?

Because VZ-B cost 388$ (absolutehobbyz) , XZ-B cost 499$.

I have more one option Novarossi +4 BTT but I think I would rather OS.

OR I can buy VZ-B and I don't feel big difference IF I buy XZ-B ?

Regards
Hi, I just switched from os brand ninja and vspec for novarossi +4c, reason for my switch, I drove the new speed engine and my p4c was all around better for me, I love the engine and love the price and how they tune and love buying cheap plugs and pipes are cheaper and clutches last so much longer and the amount of changes u can make with different pipes and headers all make this engine to me so much funner to run, it's an endless performance upgrade, with the os engines they seem so 'one way' and the novarossi engines are just customizable with however u want your power band to be, I won't ever change from novarossi unless it's for nova based rb engines and still I don't think I will make any changes.
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Old 02-26-2011, 05:06 PM   #63
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i am the opposite i like the os engines always perform well
the xz-b is the new os engine the vz-b is the older model but still great engine i like the os for its smooth power and easy idle and tuning
but will say that i did also like the nova plus 4 when was running one it is also very good motor can not go wrong with either
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Old 02-26-2011, 05:32 PM   #64
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Novarossi is the best engine of those three. I have had ninja and os speed, but the 21-4C engine (i have the team version) is just soooo much better. Extremely easy to brake in and tune. I ran 12 minutes on one tank in my buggy last season, thats awesome!

I found the os speed hard to get a good tune for my driving, and the ninja flamed out and burned glow plugs one too many times.

OS Speed is expensive and not worth that much money imo. Novarossi 21-4C with 9901 with 41005 or 9853 with 41005. Awesome stuff!
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