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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC On Road Nitro Cars >> 20% or 30% fuel
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20% or 30% fuel - 1/26/2004 6:06:26 AM   
pencilman


 

Posts: 16
Joined: 1/5/2004
From: broomfield, CO, USA
Status: offline 		I have heard conflicting things about fuel %s. 30% burns cleaner, 20% doesn't heat up the engine as much, etc... Does anyone have an answer? I have a HPI SNR4 Rally. what fuel should I use. it is all 14%oil content.
thanx
       Post #: 1

RE: 20% or 30% fuel - 1/26/2004 7:08:19 AM   
waverave



Posts: 262
Joined: 2/3/2003
From: Mountain View, CA,
Status: offline 		For a .12-.15 size engine I would recommend 20%.


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       Post #: 2

RE: 20% or 30% fuel - 1/26/2004 2:14:16 PM   
Nitroaddict



Posts: 3452
Joined: 7/17/2003
From: Round Rock, TX, USA
Status: offline 		For a supernitro with a stock engine, use 20%.

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RE: 20% or 30% fuel - 1/26/2004 10:50:56 PM   
pencilman


 

Posts: 16
Joined: 1/5/2004
From: broomfield, CO, USA
Status: offline 		Wow I got a reply from the NitroAddict.
so what is 30% used for?

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       Post #: 4

RE: 20% or 30% fuel - 1/26/2004 11:21:40 PM   
XenX


 

Posts: 123
Joined: 1/21/2004
From: scarborough, UNITED KINGDOM
Status: offline 		i bet the dragsters use 30% no?

(in reply to pencilman)
       Post #: 5

RE: 20% or 30% fuel - 1/27/2004 12:02:48 AM   
pencilman


 

Posts: 16
Joined: 1/5/2004
From: broomfield, CO, USA
Status: offline 		good thought

(in reply to XenX)
       Post #: 6

RE: 20% or 30% fuel - 1/27/2004 12:47:31 AM   
Nitroaddict



Posts: 3452
Joined: 7/17/2003
From: Round Rock, TX, USA
Status: offline 		higher nitro % will increase speed, decrease temps, and also drastically decrease engine life, however, it is only best suited for top racing engines. Highliine engines such as the RB Concepts V12, Novarossi S3, and Mugen MR12 can be used with 30% by removing the head and shimming it .1mm or so. this will increase performance slightly. Most big block engines can be run with 30% and also see slight power gains, but again, head shimming is recommended.

Bottom line, 30% 35% and 40% are benificial for high stress racing environments and will give the engine slightly more power. For standard RTR engines, the benifits of 30% wont really be seen, but will still drastically shorten engine life.

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RE: 20% or 30% fuel - 1/27/2004 12:52:00 AM   
ICrashThings



Posts: 6402
Joined: 1/11/2004
From: Abingdon, MD, USA
Status: offline 		i use 20% in my Nitro TC3 cause its a snob when it comes to other fuels...but no its brother the rc10gt takes any fuel i give it...no wonder i like it more!!!! but yea .12-.15 use 10-20% fuel

(in reply to Nitroaddict)
       Post #: 8

RE: 20% or 30% fuel - 1/27/2004 3:35:54 AM   
pencilman


 

Posts: 16
Joined: 1/5/2004
From: broomfield, CO, USA
Status: offline 		thanx

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       Post #: 9

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC On Road Nitro Cars >> 20% or 30% fuel
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