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Old 12-10-2003, 11:05 AM   #1
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Default novarossi rs12s1 or os .12 turbo?

i want to purchase an engine for my car i want one the is good and could last awhile i am going to put it on the kyosho fw-05r which engine is bettter the novarossi rs12s1 or the os.12turbo? the novarossi cost almost twice the os why does it cost so much more? what the different between the two engine?
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Old 12-10-2003, 11:32 AM   #2
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If you compare on paper both engines, the Novarossi is definetely more powerfull and seems to me much faster. If you are talking reliability and ease of tunig the OS is well known for that. It depends what you want it for. Racing = Novarossi.

Novarossi RS12S1 Turbo OS.12TR Turbo

Displacement: 2.1CC 2.1CC
Bore: 13.80mm 14.0mm
Stroke: 14.00mm 13.7mm
Practical rpm: 3,800/41,000 4,000/38,000
Power Output: 1.40HP 1.30HP
Hope it helps
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Old 12-10-2003, 03:23 PM   #3
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is the S1 still available. you might want to consider getting the
ns12 if they are charging $100.00 over the O.S. for the S1.
the S1 should not cost you more than $170 total.
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Old 12-10-2003, 06:41 PM   #4
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Definetely the S1. I love OS but the Novarossi is just such a good motor.
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Old 12-13-2003, 12:35 PM   #5
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Definitely get the Nova engine, after you can put an S3 P/S without a problem and have a very reliable and powerful engine.

Be forewarned that the two main differences between the RS12 S1 and S3 versions was their P/S and the crankshaft with larger timing intake on the S3 engine, but none that cannot be done by a reputable engine tuner if needed.

Have you considered getting an STS RS3 or the new D3? are very fine engines for a killer price. Take a look of it and judge yourself.
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Old 12-13-2003, 01:08 PM   #6
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Corse-R can I put P/S from Novarossi 5P in my RB X12 T? I read somewhere that it has a little better timing ?
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Old 12-13-2003, 01:15 PM   #7
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Quote:
Originally posted by Speed De
Corse-R can I put P/S from Novarossi 5P in my RB X12 T? I read somewhere that it has a little better timing ?
Surely will fit, but cannot assure good or bad results, seen many visual looking identical parts, but with different parameters (RB and Nova cranks are timed differently).

Probably the Sleeves are timed different too, but you can try it.
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