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-   -   Novarossi N21BF Limited Edition .21 Off Road 3 Port - Glow Plugs (https://www.rctech.net/forum/nitro-off-road/308094-novarossi-n21bf-limited-edition-21-off-road-3-port-glow-plugs.html)

voodoopapa 06-28-2009 07:47 PM

Novarossi N21BF Limited Edition .21 Off Road 3 Port - Glow Plugs
 
I've just purchased a Novarossi N21BF Limited Edition .21 Off Road 3 Port. It comes with a standard glow plug head. Can anyone recommend any glow plugs that suite this engine.

I've got a few Axe Rossi standard R6 & R7 plugs. Would these be o.k. Also would the OS 8 plug suite this engine

cheers

TVMRocket69 06-28-2009 07:49 PM

I use the OD purple sport plug in mine

Shane369 06-28-2009 07:50 PM

VeI've been running the odonnell 77 in mine with great success! They are only a few bucks and as good as any plug out there. IMO

rossoh10 06-28-2009 08:18 PM

Run the od77..I was told by a very respectful novarossi dealer to run the mc8 or the od plugs..

Don`t run the os plugs there a shorter plug and not meant for nr engine


I also have a NR limited engine..Can`t ait to break it in..The guy I got it from gave me mc8 plugs to run in it

v6shooter 06-28-2009 08:48 PM

os8 are short.Use as rossoh10 said od 77. The os8 will not reach the combustion chamber

voodoopapa 06-28-2009 09:02 PM

Guys is this the plug you are talking about. I note that it says for .12 engines. Got the description from Amain Hobbies.........

This is one O'Donnell #77 standard glow plug for engines that accept long shaft plugs (basically any engine except OS engines). This is a hot glow plug intended for use in .12 race engines with high nitro content fuels. This can sometimes be a good plug for .21 race engines if you need a hot plug (such as when the humidity is very high).

cheers

Stardust 06-28-2009 09:11 PM

OD 77 for the 21 BF is perfect!!

v6shooter 06-28-2009 09:25 PM

thats the one.

Alan D. 06-28-2009 09:26 PM

O'Donnell 77 or 100 (if you can find it) best plugs for any motor (that is not O.S.) made. Ignore what the descriptions say and listen to your fellow racers.:cool:

voodoopapa 06-28-2009 09:43 PM

cool. just ordered 4. am based in Australia so it will take a week or so to receive. thanks for the advice.

voodoopapa 06-28-2009 09:49 PM

just one other question. am going to run 25% nitro. I take this hot plug will be o.k with 25%. I've always thought the higher the nitro the cooler the plug

cheers

thenova70ss 06-28-2009 09:50 PM

Can you run 30% in the 2001bf are do you need to add a Shim.

rossoh10 06-28-2009 09:59 PM


Originally Posted by voodoopapa (Post 5998052)
just one other question. am going to run 25% nitro. I take this hot plug will be o.k with 25%. I've always thought the higher the nitro the cooler the plug

cheers

Yes you will be ok....


Originally Posted by thenova70ss (Post 5998055)
Can you run 30% in the 2001bf are do you need to add a Shim.

Yes you can run 30% but it would be good idea to add a .10mm shim or take out the .10mm shim thats in it and add .20mm shim.....The shim will help you squeez a little more top end and running 30% also adds a little top end

mbx5rcr34 06-29-2009 02:59 AM

what about a place like (hot) above 90 deg. asian side ,what do you guys recommend ?what plug ??,thks

losiracer78 06-29-2009 04:34 AM


Originally Posted by thenova70ss (Post 5998055)
Can you run 30% in the 2001bf are do you need to add a Shim.

Yes 30% works great in the 2001bf . Thats all i have been racing with is 30% and have 8 gals though it and the only thing that i have changed is a few glow plug. This motor is great. its not as fast as some of the other motors out there but for the price you cant beat it.


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