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R/C Tech Forums (https://www.rctech.net/forum/)
-   Offroad Nitro Engine Forum (https://www.rctech.net/forum/offroad-nitro-engine-forum-157/)
-   -   Mugen JX21 (https://www.rctech.net/forum/offroad-nitro-engine-forum/231035-mugen-jx21.html)

The Freak 07-13-2008 04:18 AM
Hi Guys
If you want an honest opinion of the JX ninja just ask Wayne Walker Mugens Australian factory driver what he thinks, he will tell you there is no comparison between the GRP ninja and the JX ninja.
The JX is easier to tune, has better run time and has more power, he normally runs the c shaped manifold.

Barry.

The Freak 07-13-2008 04:24 AM
Hi Guys
If you want an honest opinion of the JX ninja just ask Wayne Walker Mugens Australian factory driver what he thinks, he will tell you there is no comparison between the GRP ninja and the JX ninja.
The JX is easier to tune, has better run time and has more power, he normally runs the c shaped manifold.

Barry.

paddyhong 07-13-2008 11:45 AM
Anyone used the Mugen pipes?

p@dDy

ezveedub 07-13-2008 03:01 PM
Originally Posted by paddyhong (Post 4631868)
Anyone used the Mugen pipes?

p@dDy
I think you need to be more specific.

paddyhong 07-14-2008 09:52 AM
http://www.mugenseiki.com/ninja-spec...r-manifold.htm

Are they good? Bad? Too expensive?

p@dDy

ezveedub 07-14-2008 04:00 PM
Originally Posted by paddyhong (Post 4634971)
http://www.mugenseiki.com/ninja-spec...r-manifold.htm

Are they good? Bad? Too expensive?

p@dDy
If they are the JX14001 & JX14002 L and C manifolds, I would assume they are the same as the L header from the 2050 OS pipeset and the C shaped from the 2060 OS pipeset. They are very durable IMO if they are the same. Use L shape for more lowend torque and C shaped for smoother power delivery. Mugen only has the EFRA 2042 pipe listed (OS 2060 pipe)

Ashalak 07-15-2008 03:45 PM
My JX21 landed today and I have to say that the first impressions are superb, typical OS manufacturing quality and internally everything looks spot on! With abit of luck I'll get her fired up and running for a few tanks tomorrow, can't wait.

joydude630 07-22-2008 04:31 AM
Has anyone used the OS plugs on this engine?

Slippery 07-22-2008 06:43 AM
have used OS plugs identical just different packaging :D

wingracer 07-22-2008 06:53 AM
Originally Posted by joydude630 (Post 4661446)
Has anyone used the OS plugs on this engine?
Since it is an OS made motor I would think OS plugs would be the best choice.

Could be wrong though since I don't have one yet.

ezveedub 07-22-2008 04:51 PM
The OS plugs are the same. Ninja has P3 & P4 plugs listed, but from what I have been reading, it seems P3 or P6 are the plugs to use depending on conditions.

joydude630 07-22-2008 10:35 PM
How does this engine compare with the expensive motors?

lorinser999 07-28-2008 07:53 AM
jx21
 
Originally Posted by TonysScrews (Post 4630088)
I found the JX-21 to be easier to break in and get a tune on it. It has better bottom-end. GRP is a bit smoother. Run time and top end is too early to compare.
Yah right sir,with running time of 11mins 30,great engine!

lorinser999 07-28-2008 07:56 AM
p3/p4
 
[QUOTE=joydude630;4661446]Has anyone used the OS plugs on this engine?[/QUOTE
Ive tried p3/p4,p3 runs great!

joydude630 07-28-2008 08:53 AM
Originally Posted by joydude630 (Post 4664755)
How does this engine compare with the expensive motors?
Anyone


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