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Old 03-24-2014, 08:24 PM   #31
Ed Wright
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Default Re: Dry Ice in your fuel cell?

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Originally Posted by Stocker 2 View Post
The rulebook says a cool can is legal in Stock and SS. It actually says, "One cool can permitted."

Wet towels, bags of ice, etc must be removed from the intake before a run, but a cool can is allowed to still have ice in it during the run. I was told to just make sure it does not leak water out of it.
When I lost my mind and started doing this again a few years ago I asked a division tech director why nobody used them now, and was told there could be nothing in it to cool the fuel going down the track, which makes it pretty much useless. Made no sense to me, it used to be perfectly OK.
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Old 03-25-2014, 12:11 AM   #32
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Default Re: Dry Ice in your fuel cell?

I had a cool can in my old car. My new one will have one too. Out west and at altitude in temps above 65 it was worth .08-.10. Had to be careful if temp and DA dropped cause I actually failed fuel check once. Also ran the "plumbing insulation" from home depot on the hard lines to help keep cool in. Also this was on a "bypass" style system. constantly recirculating.
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Old 03-25-2014, 09:58 AM   #33
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Default Re: Dry Ice in your fuel cell?

What caused you to fail fuel check?
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Old 03-25-2014, 04:28 PM   #34
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Default Re: Dry Ice in your fuel cell?

In the late 60's and early 70's, it was common practice to use "cool cans", with ice around the fuel line....I believe it helped. When I got back into racing in 06, I asked the question: Why don't people use cool cans? I was told that the racing fuel used today does not react the same as "pump gas" used years ago....I don't know if that is true or not....
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Old 03-25-2014, 04:49 PM   #35
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Default Re: Dry Ice in your fuel cell?

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Originally Posted by 69Cobra View Post
What caused you to fail fuel check?
At Indy one year I put dry ice in my fuel jug (5 gallon jug with 4 gallons of fuel) Chilled the fuel down to 40 degrees. Made the run then went right to fuel check (first one down the track no waiting). You should have seen the look on the fuel guys face when he did the temp. But it passed with no problems.
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Old 03-25-2014, 06:26 PM   #36
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Default Re: Dry Ice in your fuel cell?

That's what I was wondering... will they fail it on temperature alone? If so what are the parameters? Was your fuel 40* at fuel check or when you put it in the cell in the pits?
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Old 03-25-2014, 08:30 PM   #37
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Default Re: Dry Ice in your fuel cell?

When dad was driving and set the ihra rec I put some ice in the cool can ..and he picked up .08 and passed the fuel check. .....
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Old 03-25-2014, 09:16 PM   #38
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Default Re: Dry Ice in your fuel cell?

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Originally Posted by 69Cobra View Post
That's what I was wondering... will they fail it on temperature alone? If so what are the parameters? Was your fuel 40* at fuel check or when you put it in the cell in the pits?
I have had them take a second look at the temp, but never failed due to temp. As long as the other numbers come up OK.
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Old 03-25-2014, 09:44 PM   #39
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Default Re: Dry Ice in your fuel cell?

Maybe they don't push that issue much. Mine's been there for 8 yrs, and I see several more. No tech guy has ever said anything about it, in D2,3 or 4. Or IHRA.
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Old 03-28-2014, 10:12 PM   #40
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Wink Re: Dry Ice in your fuel cell?

I won't get into the argument if it works or not, but the next time you are at Indy try to find some close by, bet all the local grocery stores are sold out.
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