20% vs. 30% nitro

20% vs. 30% nitro
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC 1/8th Scale Buggies >> 20% vs. 30% nitro

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20% vs. 30% nitro - 6/14/2007 4:50:28 AM

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Joined: 2/27/2007
From: Mesa, AZ, USA
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I've been using 30, but getting a new engine tomorrow. I want to break it in with 20% because I think it will be getting better lubricated, and the performance will be relativley the same.

Someone correct me if I am wrong. Is 20% just a better all the way around better way to go?

RE: 20% vs. 30% nitro - 6/14/2007 4:52:15 AM

Posts: 271
Joined: 4/1/2007
From: Auburn, WA, USA
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i would say yes. i used 10% in mine cause i like to keep my engines for a pretty long time and im not to anal about speed most the time

hey markhat i see you live in AZ so come join us at
http://www.az-rcfreaks.com/freaks/index.php
unless you have already

< Message edited by Conti027 -- 6/14/2007 4:53:38 AM >

(in reply to markhat250)

RE: 20% vs. 30% nitro - 6/14/2007 5:05:05 AM

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From: Mesa, AZ, USA
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I'll head over to that site. Cool. I pretty much race at SRS. I'll start hitting Papago's new track layout if he gets it put back together, and maybe the Pit, but mostly SRS.

I'm hoping to hear a lot of thoughts on this nitro thread. I am due for fuel and want a change from the Sidewinder 30 I've been using.

(in reply to Conti027)

RE: 20% vs. 30% nitro - 6/14/2007 5:08:41 AM

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From: Auburn, WA, USA
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well all i can say is join the site

i gave my input already

(in reply to markhat250)

RE: 20% vs. 30% nitro - 6/14/2007 5:19:15 AM

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From: Barboursville, VA, USA
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The only thing that 30% fuel wears out faster is your connecting rod and bearings. Your piston and sleeve is still getting the same exact lubrication regardless of the nitro % (as long as the fuel your using has good quality lubricants) so the piston and sleeve will last just as long on 30% as it will on 20%. There might be a slight difference probably due to the engine reaching higher RPMs but thats about it.

Theres still nothing wrong with 20% nitro. With off-road its more about driver and setup than it is about power.

(in reply to markhat250)

RE: 20% vs. 30% nitro - 6/14/2007 5:25:02 AM

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From: Auburn, WA, USA
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30% heats up more also

(in reply to Super_Dave)

RE: 20% vs. 30% nitro - 6/14/2007 5:29:35 AM

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From: Mesa, AZ, USA
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You said it.....driver set up. I'm convinced I won't go any faster cuz of the fuel, so why not have better lubricant?? This is the point I am trying to make, just looking for someone to give a good argument in favor of 30%.

(in reply to Conti027)

RE: 20% vs. 30% nitro - 6/14/2007 5:35:06 AM

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From: Auburn, WA, USA
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well it would go a bit faster

(in reply to markhat250)

RE: 20% vs. 30% nitro - 6/14/2007 6:57:56 AM

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From: aplle valley, CA, USA
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and run cooler not hotter

(in reply to Conti027)

RE: 20% vs. 30% nitro - 6/14/2007 7:03:20 AM

TGreg

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From: New Kensington, PA, USA
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guys honestly if your running 30% youll be better off, i had three RTR engines on 20% and now im on my second race engine on 30%. It runs cooler (yes i mean cooler) easier to tune, and they last just as long if not longer than my 20% engines. honestly ppl freak out about 30% but its not that much of a big deal, just use the 30% and enjoy the benifits.

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(in reply to 1/8racer)

RE: 20% vs. 30% nitro - 6/14/2007 2:10:46 PM

lanerbrainer205

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From: Tunnel Hill, GA, USA
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Markhat250 it has been proven that 30% fuel is wayyyyy higher in performance than 20%. They dynoed it in RC Driver, and they said it has the same lubrication content as 20% fuel.... just food for thought man.

(in reply to TGreg)

RE: 20% vs. 30% nitro - 6/14/2007 4:23:36 PM

RBMike

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From: Santa Clara, CA, USA
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I like 25%. Most of the Italian motors are designed for 25%. Byrons race 25% has been working well for me for a long time.

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(in reply to lanerbrainer205)

RE: 20% vs. 30% nitro - 6/14/2007 4:46:15 PM

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From: Perth, AUSTRALIA
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yeah I think 25% is the best compromise in turns of performance and engine life.

(in reply to RBMike)

RE: 20% vs. 30% nitro - 6/14/2007 8:25:09 PM

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From: Auburn, WA, USA
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hmm i guess i was wrong but im pretty sure i read lot that 30% gets hotter

(in reply to mozzzy_2000)

RE: 20% vs. 30% nitro - 6/14/2007 9:20:07 PM

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From: sauk city, WI, USA
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My engines have all run cooler on 30% and there is an increse in proformance

(in reply to Conti027)

RE: 20% vs. 30% nitro - 6/14/2007 9:28:13 PM

lanerbrainer205

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my engines run cooler with 30% also actually its 33%

(in reply to pete8541)

RE: 20% vs. 30% nitro - 6/15/2007 12:23:14 AM

TGreg

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From: New Kensington, PA, USA
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quote:

yeah I think 25% is the best compromise in turns of performance and engine life.

i promise you that there is no drop in engine life, just gains in performance. the only engine life drop you could see is that it might bite the dirt a 1/4th of a gallon sooner.

nitro has nothing to do with engine life, its the oil type and oil percent that effects engine life..

grow some and get the 30%.

most ppl run 20% because of EFRA...

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(in reply to lanerbrainer205)

RE: 20% vs. 30% nitro - 6/15/2007 12:24:16 AM

TGreg

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From: New Kensington, PA, USA
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I'm actually thinking of trying that O'Donnels 60% Race Blend. Of coarse id shimm my engine accordenly.

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(in reply to TGreg)