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Old 07-18-2007, 07:27 PM   #1
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Default What motor

I'm looking for a .21 for an 1/8 scale buggy, I'm looking to keep the price under $300.
The main thing I want is fuel milage around 7 1/2 min. I'm not new so power dosn't scare me but gas milage is more important.
I've been looking around on a-main hobbies and found a couple of motors that I would like some opinions about.
(all standard plug)
go tech 5 port

Hot moded Novarossi N21B 2001 BF 3 port

Novarossi RX21P5XS 5 port

open to any suggestions
p.s. is there a difference bwt standard & turbo plugs?
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Old 07-18-2007, 07:39 PM   #2
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Well I will comment on my two current motors. I have a P5XS and a Ninja, The p5 has to be tuned perfectly to compete with the ninja when the Ninja is very easy to tune and you will hardly notice it when it is a bad tune, even when the tune is maybe half a turn off it still runs fine, and the P5XS has the be tuned perfectly or it wont run well. So I would recomend the Ninja over the P5 any day. Do you not know what a turbo plug is at all or do you want to know the difference? anyways the difference is that the Turbo seals from a taper and creates a better seal than from the brass washers standard plugs use.
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Old 07-18-2007, 07:45 PM   #3
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Here is a turbo plug, it seals better and at the bottom and makes a more agressive engine.



and here is a standard plug for you to compare it to.

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Old 07-18-2007, 07:49 PM   #4
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I like my v-spec. I run on a indoor track and I can go from top of tank to completely empty in 10 min's and about 20 secs. I also have a Novarossi Plus 7bt which will go about 9 min's but is very picky about the tune. Hope this helps.
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Old 07-18-2007, 08:05 PM   #5
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I am currently running a Jammin 21 and I am loving it. I also Have a V-Spec that I have yet to run but I bought it to try it out because of what I have read about them.
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Old 07-18-2007, 10:04 PM   #6
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ive been running two .21 race engines, a novarossi P5X for short tracks and a werks B7PRO for long....i love them both...the P5X is very smooth and liner with great fuel run times, and the werks is a mega top end rocket with massive bottom end punch...i got each for under $300 usd....
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Old 07-18-2007, 11:40 PM   #7
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I forgot to add that my P5XS with ofna 086 pipe gets not nearly as much run time as I would expect from a high end motor, I dont have any times but comparing it to my Ninja with a Dynamite 053 pipe the P5 dosnt come close. I think my Ninja gets like around 9-10 min run time and the P5 probably gets like 7 minutes and not as much run time. By the way I am comparing a 3 gallon old P5XS to a 8 gallon old Ninja B01A. I am way happier with my ninja.
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Old 07-19-2007, 10:45 AM   #8
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like i said i am not new i know what a turbo and standard plugs are.(just wondering if there was a perforance difference)
Also any opinions on gotech or the novarossi 3 port or are there any good RB motor close to my price range.
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Old 07-19-2007, 11:27 AM   #9
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OS V-Spec and OS 2060 pipe combo, is around 10 minutes in race condition. Hard to beat the fuel economy. Just gives up a little on the low end.

Later,
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Old 07-19-2007, 03:31 PM   #10
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O.S. V-Spec. this is the most efficient motor ever made. Why? because it produces alot more power than most engines out there, and it's only a 3 port engine. I've had 5 port and 7 port engines that don't even come close to PRODUCING what the V-spec can. plus O.S makes one of the best carbs out there. this thing holds a tune better than any I've seen. It'LL RUN EVEN WITH A CRAPPY TUNE ON IT!

Plus, alot of sponsored drivers use it for the same reasons I stated above! Best part is that It's only $260, and you could even get it cheaper than that on ebay if you watch for it.
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Old 07-19-2007, 03:35 PM   #11
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Oh yeah, the 5 port engine I owned was a Ninja. Also a great engine, but not as efficient as the O.S. Plus Run time was shorter and had about the same power.
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Old 07-19-2007, 03:54 PM   #12
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Run time is HUGELY impacted by your pipe choice, keep that in mind when making your decision.
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Old 07-19-2007, 04:19 PM   #13
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i say the hyper 21
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Old 07-19-2007, 05:16 PM   #14
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What about werks b3 or b7
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Old 07-19-2007, 05:31 PM   #15
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You know I would check www.bmainhobbies.com for motor specials. I am running a RBWS7II with a JP-3 pipe and I get about 10:15 a tank. Check out RB, crazy good fuel mileage.
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