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Old 08-05-2009, 02:44 AM   #1
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Default Alternative Plug Choices For the Nova .21 Limited

With some recommedations I am planning on buying the Nov .21 3 port limited for my son. His mach RTR is finally toast and will not hold a tune and will not stop flamming out.

From what people have said this engine is easy to tune never flames out and has enough power for mostly everything.

Will this engine only take a Nova #6 plug or can another manufacture be used. If so what plug would you recommend other than the nova #6.

I will be using an 086 pipe on it since I already have one.

Thanks everyone.
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Old 08-05-2009, 03:14 AM   #2
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i would recommend a nova plug, monty says a od plug works ok to.

i tried other plugs on my +4 and it just didnt work, even had casey peck tune it
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Old 08-05-2009, 05:39 AM   #3
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the nova rossi n21bf is a little monster and will run well on the od plug thats what i ran in mine for 11 gals until i bought the + 4. Great motors and you can get one from Manty for like 200.00 modded.
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Old 08-05-2009, 06:17 AM   #4
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I personally run the od 77 in mine and it runs great! No flame outs and makes great power. Plus I can get 2 of these plugs for what 1 nova plug cost.
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Old 08-05-2009, 06:26 AM   #5
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odo 77
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Old 08-05-2009, 06:29 AM   #6
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Quote:
Originally Posted by Shane369 View Post
I personally run the od 77 in mine and it runs great! No flame outs and makes great power. Plus I can get 2 of these plugs for what 1 nova plug cost.
+ 1 on the od 77 plug
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Old 08-05-2009, 09:38 AM   #7
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I hear OD plugs work but haven't tried them. I can tell you that Sirio plugs are FANTASTIC in Nova motors.
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Old 08-05-2009, 09:40 AM   #8
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Quote:
Originally Posted by wingracer View Post
I hear OD plugs work but haven't tried them. I can tell you that Sirio plugs are FANTASTIC in Nova motors.
eek... don't sirios have different taper from nova and odo plugs?
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Old 08-05-2009, 09:49 AM   #9
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Every plug out there has a slightly different taper. Some still work well, some sort of work, some don't work at all. For example, never run a Nova plug in an OS. It will leak.

Nova motors dominate onroad racing but their plugs aren't anywhere near as good as they used to be so most onroad racers have been trying other plugs. GRP's seem to be the best of the ones that fit well but they are getting hard to find. Sirios fit flush, don't leak, perform beautifully and last ten times longer.

It's kind of odd that Sirio plugs fit so well because if you go the other way and put a Nova plug in a Sirio, the plug doesn't quite go all the way flush. It sits up above the chamber just a bit but still runs fine and doesn't leak.
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Old 08-05-2009, 09:53 AM   #10
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when running standard buttn i had best luck with odo97 or 99personally i wouldnt run anything else in a bf2000
Quote:
Originally Posted by dishsoap View Post
With some recommedations I am planning on buying the Nov .21 3 port limited for my son. His mach RTR is finally toast and will not hold a tune and will not stop flamming out.

From what people have said this engine is easy to tune never flames out and has enough power for mostly everything.

Will this engine only take a Nova #6 plug or can another manufacture be used. If so what plug would you recommend other than the nova #6.

I will be using an 086 pipe on it since I already have one.

Thanks everyone.
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Old 08-05-2009, 11:50 AM   #11
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I've been running MC-8's in mine on 30% Sidewinder. About 2.5 gallons on it and it's really starting to come around. Awesome budget engine. The 086 will help out your top-end, which is really the only area that engine lacks. Should rip!!!
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Old 08-05-2009, 02:02 PM   #12
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Old 08-05-2009, 02:46 PM   #13
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Od plugs seem to work very well for me as well in all my motors nova 21-4 and both my nova n21bf's .
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Old 08-05-2009, 02:57 PM   #14
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Would everyone agree that this is a very durbale, easy to tune, never flamming out engine.
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Old 08-05-2009, 03:04 PM   #15
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MC #59 or #8 med best plug for that motor I ran that motor for my spring series and took second over all and I have these plugs the hole time I could run to weekends on one plug no problem.
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