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Pipe Question

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Old 11-30-2017, 07:20 PM
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I am running a RC8.2 Nitro with a OS .21 XZ it has a Jammin JP-4 pipe. Is that a good pipe or should i get a OS 2090 pipe.. I have read the 2090 pipe is the best for performance for the .21 XZ Max.... My engine runs great and has plenty of power it does seem it is louder than the last RC8 Nitro i had.... I dont really like the look of the pipe i have eather..

I might do some racing next season but probably not alot...
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Old 11-30-2017, 07:53 PM
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The JP4 will serve you well. Yet for racing, when you are trying to get the best tune, and fuel mileage a 2090 will be best.

Also what .21 XZ? the B, or B version II?

look in the BST forum, might find a used one.
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Old 11-30-2017, 08:47 PM
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Originally Posted by 1/8 IC Fan View Post
The JP4 will serve you well. Yet for racing, when you are trying to get the best tune, and fuel mileage a 2090 will be best.

Also what .21 XZ? the B, or B version II?

look in the BST forum, might find a used one.
How can i tell what version i have??
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Old 11-30-2017, 08:51 PM
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Originally Posted by 1/8 IC Fan View Post
The JP4 will serve you well. Yet for racing, when you are trying to get the best tune, and fuel mileage a 2090 will be best.

Also what .21 XZ? the B, or B version II?

look in the BST forum, might find a used one.

Here is a couple of pictures of my engine. Took it out to clean up buggy...
Attached Thumbnails Pipe Question-85d12b68-707f-400b-b2b9-802168b1b1a0.jpeg  
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Old 11-30-2017, 08:56 PM
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XZ-B VII it seems.
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Old 11-30-2017, 09:01 PM
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Originally Posted by 1/8 IC Fan View Post
XZ-B VII it seems.


Sorry for some reason I canít upload a second picture..
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Old 11-30-2017, 09:05 PM
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All it says on the top of cooling fins XZ Max Power
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Old 12-05-2017, 10:05 AM
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Originally Posted by hillbillyrcer View Post
All it says on the top of cooling fins XZ Max Power
It appears to me that you have version one of the XZB blue which is a great engine. The Version 1 had the three needle carb and had plenty of power for me. I also had the JP4 pipe and that is a great pipe for your engine. My current XZB blue head has the newer 2 needle carb and I have not run it yet. I have it mounted in my brand new TD DNX8.
good luck
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Old 12-05-2017, 10:49 AM
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I think the JP series pipes are fuel hogs... just my opinion. Ill take the 2090 over it any day.
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Old 12-06-2017, 12:42 PM
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For real, though. If you are not yet racing, keep running what you have. When you do start racing, keep running what you have until you can run a five minute qualifier without getting marshalled at all. (or at least not frequently). Save the money for a new pipe and use those $$$ for track time, tires, or fuel to keep running laps. Basically, I recommend spending money on things that will get you on the track and driving as much as possible. Only spend money to replace broken or worn out parts, not to replace parts you already have. There will be plenty of time for that later as your racing program progresses. :-)
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