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Horsepower and Hops
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I have an older I.C.E. nitrous bottle that has a "Sherwood" valve on it. Thinking of using it as a 2nd tank since I only get 2 runs with one. I use a -4 feed for a 250 or so shot. Is this sufficent, or should I switch it to a hi-flow like my NOS bottle? Will it make a difference in the tune? Thanx
 

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Some of those old ICE bottles with the Sherwood valves only had a 1/8 orifice, should have a 3/16 mim. (you can check by removing the top part of the valve and measure the orifice or you can take the valve out of the cylinder, remove the siphon tube, now you can measure it from the bottom.) Mthermos at Nitrous Supply
 

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Horsepower and Hops
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Discussion Starter #4
Thanks guys. Mike- I'll check the orfice. You've helped me a lot in the past. I have one of your plates on my car.
 

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Most hi-flow and super hi-flow valves of today usually have an orifice of 5/16 (.312) Some of the older valves that have 3/16 (.187) still can make good HP. Mike Thermos at Nitrous Supply
 
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