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Old 05-27-2004, 07:04 PM   #361
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Default Overhauling an old engine

Just acquired an old Novamega sx-21 7p-ev2 motor. I'd like info on overhauling it with new internals. Thanks.
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Old 05-28-2004, 07:33 AM   #362
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just Got the mugen mt12, long head. Has anyone tried to fit the turbo head on this engine?
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Old 05-30-2004, 11:41 PM   #363
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Quote:
Originally posted by afm
Good, keep us posted on how your Murnan X12 goes. I'm planning on getting one so your comments will be appreciated.
AFM
Hey afm,

I haven't forgotten about you on updating the x12. I have had 2 rain outs the last 2 weeks hopefully next weekend we get some sun.
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Old 06-01-2004, 03:36 PM   #364
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Hi , where do you guys get parts for novarossi engines ? i am looking to buy new bearings for my MR12 and also do you know if bearings size are the same for a NS12 5 port ?
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Old 06-02-2004, 06:40 AM   #365
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After changing from a .15 manifold to a .12, smoke and fuel are coming up the lid of my tank, seems like there is too much pressure?? i have tryed longer pressure tube, but no better.

My tank isnt that old, 6 months?

Any suggestions??
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Old 06-02-2004, 10:50 PM   #366
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Quote:
Originally posted by Number 11
Hey afm,

I haven't forgotten about you on updating the x12. I have had 2 rain outs the last 2 weeks hopefully next weekend we get some sun.

where did u get your x12 and what are its specs?
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Old 06-02-2004, 11:35 PM   #367
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Quote:
Originally posted by gentleman81
where did u get your x12 and what are its specs?
I got it from here http://murnanmodified.360k.com/

* Displacement: .12 cu in (2.1cc)
*Horsepower~1.52 HP @ 41,000 RPM
*RPM~ From approx 4000~43,500
*Stroke~14mm
*Bore~13.8mm
*Ports~3 port
*Shaft~11.5mm

The motor he sales is modified, shoot him a email maybe he can get you more info.
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Old 06-05-2004, 10:33 PM   #368
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Well finally after two weeks of rain outs we where able to race today. I ran my Murnan X12 and it was fast I was truley impressed. I still have a little tweeking to do and I think I can get more out of it I was able to drop my lap time by 1 second. I didn't have one single problem with it. I would say this is a must have engine.
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Old 06-06-2004, 12:08 AM   #369
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I have a Nova Rossi P5 .21 and I can't locate a "Nova Rossi" piston and sleeve (Thanks Ernie ) but I have quick access to RB parts here in Canada via CG Royal....what RB piston and sleeve would be the same if at all ?
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Old 06-06-2004, 03:40 AM   #370
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Hey Number 11 I would love to get one of those Murnan Motors but he hasn't answered the emails I sent him like 2 weeks ago.
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Old 06-06-2004, 01:40 PM   #371
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Quote:
Originally posted by finchy
Hey Number 11 I would love to get one of those Murnan Motors but he hasn't answered the emails I sent him like 2 weeks ago.
Yeah he is a little hard to get a hold of. The chassis is the Audi R8.
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Old 06-09-2004, 07:50 PM   #372
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hi,
What is the difference between a MR12 and a MT12??
any differences in performance
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Old 06-10-2004, 12:44 AM   #373
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Default specs of novarossi MT12 front bearing, anyone?

Hey all I was wondering if anyone knew of a place where I can find out the specs of the front bearing for the novarossi Mt12, besides the manual; which I do not have.

thanks all-Jason.
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Old 06-12-2004, 09:43 PM   #374
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Default NSR12 / Top TSR12

Can someone tell me the factory settings for the carb on these engines.

I have heard 4.5 HSN and 2.5 LSN
...and...
4.5 HSN and 3.5 LSN

The documentation doesn't say.
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Old 06-12-2004, 09:47 PM   #375
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Default Re: NSR12 / Top TSR12

Quote:
Originally posted by rodneybarrett
Can someone tell me the factory settings for the carb on these engines.

I have heard 4.5 HSN and 2.5 LSN
...and...
4.5 HSN and 3.5 LSN

The documentation doesn't say.
4.5 HSN and 3.5 LSN is what I always start out with. I have never had a problem with that setting and adjust 1/8 to a 1/4 of a turn from there.
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