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 Post subject: Gas vs Alcohol
PostPosted: Sun Oct 21, 2007 7:08 am 
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Joined: Sun Jul 30, 2006 8:36 pm
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Have both available to race with or even a blend.
Questions are:
1 whats the diference in preformance (ETs)
2 are there any considerations in the engine build?
This is Drag only Still considering a power adder car.
Thanks
Frank

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 Post subject:
PostPosted: Sun Oct 21, 2007 8:27 am 
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Joined: Thu Oct 17, 2002 7:27 pm
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Alcohol motor will be able to use more compression than a pump gas motor. I have seen guys switch back and forth between race gas and methanol. Meth will make a ton more torque and will change less when the weather changes.

There is currently a lot of interest in E-85 because of the octane rating and cost. Main drawback I have seen so far is quality has been very spotty.

One thing to remember if you want to try and spray with alcohol. Your tune-up has to be spot on or you will hydraulic a cylinder and push the crank out.

Turbo works well with alcohol, but again, tune-up is crucial. :D

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 Post subject:
PostPosted: Sun Oct 21, 2007 12:07 pm 
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Thanks Dennis
So there isnt any special gaskets or what not between the two? I remember back in the mid 80s I couldnt run gasahol in my Toy truck (injector o rings or something) also bad proformance.
Would you sugest starting with a blend and work my way up?
You say Spray? like NO2?
I thought It was used to replace the gas. :oops:
Thanks
Frank

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 Post subject:
PostPosted: Sun Oct 21, 2007 2:04 pm 
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Nitrous (NOS) is used to augment the air, not replace gasoline. Nitrous is an oxidizer, and brings more oxygen to the combustion chamber. It is necessary to add additional fuel ( gasoline, alcohol, etc), when the nitrous is turned on.

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 Post subject:
PostPosted: Sun Oct 21, 2007 2:32 pm 
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Frank, I would either run gas or alcohol, never a mixture of both.

E-85 is the exception, but I'm guessing that's why there are fuel quality issues. Hard to get the mix right.

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 Post subject:
PostPosted: Sun Oct 21, 2007 5:49 pm 
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Thanks Guys
That makes good sense. Its nice to know that the motor will work with a power adder.
Frank

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