What gasoline to use????

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What gasoline to use????

Post  racinghabbit on March 29th 2012, 12:30 pm

545 iron headed bbf , fully ported and polished, full roller cam & rockers, 14.13:1 compression ration. 1050 dominator.... mud racing engine!!!200ft

what gas to run??
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Re: What gasoline to use????

Post  Barney on March 29th 2012, 12:31 pm

Q16 or C16 you may be able to get by with 14 but under those loads I personally wouldnt especially with the iron head.
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Re: What gasoline to use????

Post  racinghabbit on March 29th 2012, 12:42 pm

I can NOT use oxygenated fuel..
but the C16 looks good..

More imput please
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Re: What gasoline to use????

Post  richter69 on March 29th 2012, 1:33 pm

I thought C16 was more of a power adder type fuel, there may be gains with a different fuel over C16 for a n/a application without using an oxygenated fuel..............I have no experience with this.
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Re: What gasoline to use????

Post  Barney on March 29th 2012, 1:58 pm

richter69 wrote:I thought C16 was more of a power adder type fuel, there may be gains with a different fuel over C16 for a n/a application without using an oxygenated fuel..............I have no experience with this.
C16 is good NA also. A lot of power adder guys use C16 over Q16 because it easier to tune and addresses volume concerns, so for a while now people have considered C16 as well as NO2 as power adder fuels which isn't the case with C16. Sunoco also has 117 which is cheaper,but has a very different specific gravity that I am not familiar with. C14 would also be a good choice and is designed for NA application and high RPMs. I have ran both 16 and 14 and prefer 16 even in NA applications.
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Fuel

Post  Mark Laczo on March 29th 2012, 2:12 pm

For your compression even with Iron heads you could use VP C14 or C14+. I dyno'd with both but the Q16 made about 12 more hp than either of those, but I am allowed to run it in my mud racing class.

JMO Mark
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Re: What gasoline to use????

Post  racinghabbit on March 29th 2012, 3:34 pm

by the looks of things C12 and C14 would work also ...

more imput please

I called VP tech line and they said to run C14!!
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