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Old 04-29-2010, 10:11 AM   #1
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Default novarossi bf21 limted

anyone ever trided the extech big boy pipe?
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Old 04-29-2010, 10:56 AM   #2
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if you have one then just try it one day and see. but i would not buy one of those, i have seen them come apart alot. but like i said if you have one try it, but i think thats a bottom end pipe, and that engine need a mid to high end pipe. i personally like the Dynamite 053 pipe on mine.
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Old 04-29-2010, 01:24 PM   #3
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most everyone will tell you to run a 9886 or 086 (same thing different manufacturers). as for the bigboy pipe, it is fragile like the guy above me said.
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Old 04-29-2010, 10:06 PM   #4
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The big boy is a mellow all around pipe. Its not a bottom end pipe at all. It actually is a bit weak on the bottom and even mid but has good top end. It is great for engines that have a ton of power to smooth them out. or give engines that are gas hogs some more runtime. its meant to be smooth everywhere.But its not a power pipe. Ihave only used dit only Werks and sirio engines so not sure how it would work on anything else.. Its a a bit cheap though. Sirio version is way better built.
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Old 04-30-2010, 07:08 AM   #5
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Quote:
Originally Posted by gholt13 View Post
anyone ever trided the extech big boy pipe?
The 086 header and pipe is the best set up for the 21bf hands down
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Old 05-02-2010, 08:39 PM   #6
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I've just purchased one of these to run in my AE RC8B. I find it strange that the carby has to be put in reverse.
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Old 05-02-2010, 08:47 PM   #7
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I've just purchased one of these to run in my AE RC8B. I find it strange that the carby has to be put in reverse.
what do you mean? you can take the carb off and flip it if you mean the throttle is on the wrong side.
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Old 05-03-2010, 12:28 AM   #8
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what do you mean? you can take the carb off and flip it if you mean the throttle is on the wrong side.
yeh that's what i mean. I just find it strange that the nova sign is now facing the engine and the idle screw is in a position that makes it little difficult to get to especially when the pipe is hot.
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Old 05-03-2010, 08:41 AM   #9
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all carbs are like that on most engines now. my JPX 21 is even harder to set the idle.
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