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Old 12-16-2008, 11:22 AM   #1
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Default Which pip?

Hey guys what pipe do you recommend for the Novarossi Plus 21-5k at Revelation Raceway? Its in a buggy. I want great power and fuel mileage.
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Last edited by Alan D.; 12-16-2008 at 11:22 AM. Reason: type-o
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Old 12-16-2008, 11:32 AM   #2
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Get the PIP that ends with an "E"

just kidding, couldn't resist
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Old 12-16-2008, 12:04 PM   #3
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Pete Worth, a known NR supporter has recomended the NR 9901 pipe with the long NR header. I tried it and it didn't give me the bottom I wanted. It may have been that my 5K was modded or that I generally prefer a hard hitting bottom. I wish I had given myself a chance to try out the 2013 I had, lol. Im sure I would have been very happy then :P. All in all, if you're wanting a smooth response all through the powerband with excellent mileage, the 9901/longheader is the way to go.
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Old 12-16-2008, 01:25 PM   #4
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Quote:
Originally Posted by Jaz240 View Post
Get the PIP that ends with an "E"

just kidding, couldn't resist
Darn those type-os that I make
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Old 12-16-2008, 01:32 PM   #5
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Any other recommendations guys
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Old 12-16-2008, 01:34 PM   #6
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Glad you have a good sense of Humor. I was worried there for a minute, some people would rather just start a fight over silly things. i hope your pipe dilemma works out.
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Old 12-16-2008, 01:37 PM   #7
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Yeah, I don't get upset over things. It's all in good fun
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Old 12-16-2008, 01:48 PM   #8
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JP3- or nr9886.
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Old 12-16-2008, 05:14 PM   #9
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I used an 053 with the long round header at Rev for more bottom/mid.
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Old 12-16-2008, 06:02 PM   #10
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Alan,

I'll fore-go recommending a specific pipe & header and just throw some general info your way.

-the lower the RPM you want the pipe to come on, the longer pipe & header.
-a short (abrupt) divergant cone on the pipe will make the pipe hit harder (good for street and 4wd)
-a long divergant cone will soften the power band (my recommendation for 2wd).
-match the header length to the transfer & boost port timing for proper scavanging.
-match the pipe length to the exhaust port timing for correct packing.

I like to mix and match headers and pipes to get best results for my needs.

I know, general answer and that's not what you asked for.

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Old 12-17-2008, 02:36 PM   #11
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run a os 2050 or 2060 pipe. they both work good for me. jp pipe suck for fuel mileage.
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Old 12-19-2008, 04:28 PM   #12
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I would recommend JP-3
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Old 12-19-2008, 04:56 PM   #13
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I would run a JP4..A little stronger on the bottom than the JP3..and it still has really good top end power..
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Old 12-19-2008, 05:56 PM   #14
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Conical header with E2015 pipe,
great combo and great fuel economy,

Have fun
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Old 12-20-2008, 05:41 PM   #15
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if you want the best of all worlds run a dynamite 053mr with short header(comes with ofna pipes and can be bought seperately) , mccoy mc8 or odonnell 77 plug w/ 7mm carb restrictor . if you want a screamin demon with smooth yet powerful consistent powerband use dynamite 086hs pipeset .
happy motorin' ,
monty
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