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Old 05-22-2010, 02:42 PM   #1
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Default which pipe to use

what would be the best pipe to use on a MR21-B01T? I have the grp 2053 pipe on it now but it just seems like it doesnt have any power at all and from what i have heard about this motor it should scream. The motor is brand new it has only 6 tanks on it and it still has metal pinch could it be because it is still new?
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Old 05-22-2010, 02:47 PM   #2
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thats the right pipe. most quality motors take a gallon before they hit thier stride. what fuel are you using? also, i never liked the cold plugs that are recommended. i always had better luck with the os p4 plug on that motor.
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Old 05-22-2010, 03:29 PM   #3
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thats the right pipe. most quality motors take a gallon before they hit thier stride. what fuel are you using? also, i never liked the cold plugs that are recommended. i always had better luck with the os p4 plug on that motor.
Thanks for the reply sickboy. I'm running byrons fuel in that motor. I had a grp and I remember it having alot more power when it was new. It just doesn't have the snap that I want it to have. Idk man it seems like every motor I put on my truggy I have the same problem it has no bottom end I have checked every thing I can think of so I don't know if it's my tunning or what I just can't figure it out. Lol
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Old 05-22-2010, 03:55 PM   #4
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Thanks for the reply sickboy. I'm running byrons fuel in that motor. I had a grp and I remember it having alot more power when it was new. It just doesn't have the snap that I want it to have. Idk man it seems like every motor I put on my truggy I have the same problem it has no bottom end I have checked every thing I can think of so I don't know if it's my tunning or what I just can't figure it out. Lol
Now Jay..................all you have to do is order the O'Donnell R2 and that will make it all better!
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Old 05-22-2010, 03:59 PM   #5
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Now Jay..................all you have to do is order the O'Donnell R2 and that will make it all better!
Thanks Brian but I will have to pass on that one I think I will buy the B5 or the P5 xlt.
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Old 05-22-2010, 04:05 PM   #6
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Thanks Brian but I will have to pass on that one I think I will buy the B5 or the P5 xlt.
The R2 is actually the pipe that he just released, just trying to bust your balls and represent ya know!
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Old 05-22-2010, 05:11 PM   #7
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The R2 is actually the pipe that he just released, just trying to bust your balls and represent ya know!
I know man. The R2? Who makes it and where can I get one? This pipe is suppose to be for the MR21 B01T.

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Old 05-22-2010, 10:55 PM   #8
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To me the Ninja/GRP mfg. 2053 blows power-wise it just sucks. It gets "ok" mileage.

You can make about the same bottom end and have better mid/top with a Novarossi 9886/41021 pipe/header. Mine actually picked up a good 30+ seconds of mileage as well; pushing into the 11-min mark on an outdoor dry track surface.

The Picco 069 also works well, however it doesn't get the mileage but has more bottom end.

Considering how well those two work, I'd also try a Novarossi 9853 or 9901. I haven't tried them yet though.
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Old 05-22-2010, 11:08 PM   #9
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To me the Ninja/GRP mfg. 2053 blows power-wise it just sucks. It gets "ok" mileage.

You can make about the same bottom end and have better mid/top with a Novarossi 9886/41021 pipe/header. Mine actually picked up a good 30+ seconds of mileage as well; pushing into the 11-min mark on an outdoor dry track surface.

The Picco 069 also works well, however it doesn't get the mileage but has more bottom end.

Considering how well those two work, I'd also try a Novarossi 9853 or 9901. I haven't tried them yet though.
Thanks mblgjr I was actually thinking about getting the 9853 pipe cause it is suppose to be a good pipe for the P5 XLT and that will prolly be the next motor I get so I would have 1 pipe for two different motors.
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Old 05-22-2010, 11:43 PM   #10
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Thanks mblgjr I was actually thinking about getting the 9853 pipe cause it is suppose to be a good pipe for the P5 XLT and that will prolly be the next motor I get so I would have 1 pipe for two different motors.
The 9853 is an excellent choice for the P5XLT; I can tell you that with absolute certainty.

*However* the new Nova 2084 is basically the newer 3-chamber replacement for the 9853. Supposedly all the power of the old 2-chamber; but quieter and a touch better mileage. They're supposed to run very similar, so I doubt you'll go wrong with either
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Old 05-23-2010, 10:10 PM   #11
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The 9853 is an excellent choice for the P5XLT; I can tell you that with absolute certainty.

*However* the new Nova 2084 is basically the newer 3-chamber replacement for the 9853. Supposedly all the power of the old 2-chamber; but quieter and a touch better mileage. They're supposed to run very similar, so I doubt you'll go wrong with either
I will probably go with the 2084 then. Would I use the same header with the 2084 as would the 9853?
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Old 05-24-2010, 09:07 AM   #12
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I will probably go with the 2084 then. Would I use the same header with the 2084 as would the 9853?
Yes, unless you run a Mugen, then you'll want the 41029 manifold.
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Old 05-24-2010, 12:44 PM   #13
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A great pipe that I am running on my Ninja is the AE/TTR/Reedy 2035 pipe and header. A little more grunt than the OS 2050 which is another great pipe for that motor considering it is really an OS.
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Old 05-24-2010, 12:51 PM   #14
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A great pipe that I am running on my Ninja is the AE/TTR/Reedy 2035 pipe and header. A little more grunt than the OS 2050 which is another great pipe for that motor considering it is really an OS.
He is talking about a MR ninja not a JX ninja, but the 2050 pipe does work well on a .21 GRP engine. Great mileage and good grunt, a 3009 pipe works well too.
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Old 05-24-2010, 12:56 PM   #15
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Ah, just reread. Sorry. But if the 2050 works ok, the 2035 should as well.
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