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Old 08-06-2003, 07:48 PM   #16
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Default Re: Spawn's breakin procedure may be innacurate

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Originally posted by jcrouse
Spawn....I'm just curious where you come up with this breakin recommendation od 10-15 tanks? Everyone here seems to say that to be safe we should follow the manufacturers recommendations. Well, Novarossi, on their website, recommends rich carburation and low rpm's for 15 to 20 minutes. Also, their manual for that particular model (I have one) recommends about 15 minutes at 25% throttle and about 30 minutes at 50% throttle. I say about because I don't have the manual right in front of me. I am not trying to point out your error here, just trying to provide accurate information to a fellow user.
Well, that because I have 1 and mine only fully run-in after 15 tanks. Just follow the instructions and you will notice that the engine is still very tight. Only after running 15 tanks through you will be able to have a stable engine. Nova engines are very tight when new and will stay tight for a long time. Also keep the running temp below 250F otherwise you might have vapor lock problem. Its a damn good engine and can withstand up to a certain degree of abuse.
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Old 08-07-2003, 07:53 AM   #17
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paris novarossi carb setting

Check out this site for nova carb setting.
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Old 08-11-2003, 04:52 PM   #18
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Is this S5 as NS12S5? If so i have a question though. What is the temperature running on this engine? I'm on my third tanks and still sometimes the flywheel locking up on me. I kept the temp. between 170-190 during those 3 tanks but sometimes the engines dies with only half the tanks. Am i doing ok with this engine? Need some input...thanks


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Old 08-11-2003, 05:37 PM   #19
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Default Re: novarossi s5 - hard to tune/HELP

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Originally posted by thefuzzclub
can someone tell me a website that will guide me in engine tuning. novarossi s5 is so hard to tune. you have to tune it every run, needles are so sensitive. my problem is it doesn't give a clean punch on straightways. when you pull the throttle in full it sounded that the engine is choking. need your advise guys.
I have been running S5 for a long time, and I found out to gain the most power out of it without overheating it is to richen up the bottom end, to a point that it will load up in like 10~15 seconds(should be enough time for you to place the car on the pit area and return back to driver stand!) and then set your centex engage later. By doing that you will have so much punch on bottom end and mid range, then adjust the top end needle according to your desire temperture(230~235F is the best).

hope that would help
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Old 08-11-2003, 09:35 PM   #20
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Default Re: Re: novarossi s5 - hard to tune/HELP

I agree with Ah10. I richen up the low end needle and rely on the Centax adjustment setting to handle the bottom end punch.

Nowadays, I only use the high speed needle to fine tune the engine when the ambient track condition changes.
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Old 08-11-2003, 09:40 PM   #21
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i agree with both guys..

after 2 years of my RB's dying when I squeeze the throttle,and running rich on top and lean on ythe bottom,I went the other way..about 4 and 1/2 on top(adjusted for clean mid range pull),and then richer on bottom..

the thing flys,no stalling on the gas,and idles fine..oh,the temp dropped 40 degrees..
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Old 08-11-2003, 09:44 PM   #22
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Yes, that is what I do too, lots of smoke from low end and punch is there but me not using centax. Also rich low end will help lubricate the front bearings but the newer versions of nova has a hole opposite of the induction port. Nova can take lots of abuse - damn good engine.
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Old 08-11-2003, 09:53 PM   #23
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Quote:
Originally posted by fastharry
i agree with both guys..

after 2 years of my RB's dying when I squeeze the throttle,and running rich on top and lean on ythe bottom,I went the other way..about 4 and 1/2 on top(adjusted for clean mid range pull),and then richer on bottom..

the thing flys,no stalling on the gas,and idles fine..oh,the temp dropped 40 degrees..
Damn,it took two years to find a solution.
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Old 08-11-2003, 09:55 PM   #24
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Quote:
Originally posted by EVOLUTION
Damn,it took two years to find a solution.
Well, it won't take longer than 2 years from now if one would start learning how to tune it right with the WD40!
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Old 08-11-2003, 10:06 PM   #25
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so..tell me how..
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Old 08-11-2003, 10:22 PM   #26
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Quote:
Originally posted by eddiethefish
Well, it won't take longer than 2 years from now if one would start learning how to tune it right with the WD40!
i think you prefer KY? dont you?
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Old 08-11-2003, 10:24 PM   #27
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Ah10 and fastharry,
Thanks for the advice, I will try your reco this weekend.
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Old 08-12-2003, 01:01 AM   #28
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Quote:
Originally posted by thefuzzclub
Ah10 and fastharry,
Thanks for the advice, I will try your reco this weekend.
you are very welcome, but you need to thank one more person fromt he forum! MR. Manticore, he taught me how to tune the engine!
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Old 08-12-2003, 01:03 AM   #29
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Quote:
Originally posted by Ah10
you are very welcome, but you need to thank one more person fromt he forum! MR. Manticore, he taught me how to tune the engine!
very kind of you ah10 !!
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Old 08-12-2003, 02:12 AM   #30
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Quote:
Originally posted by Manticore
very kind of you ah10 !!
I hope I can meet you guys one of these days.
Thanks for being kind to newbies like me. I really appreciate your help.
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