Magnum Velocity Stack - RC Groups
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Nov 18, 2012, 01:40 PM
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Magnum Velocity Stack

Who makes a velocity stack for Magnun Four Stroke .91 engines? Looks like a 3/8 copper pipe may do it. But I have not found any 3/8 copper pipling around. I found a fitting and it fits loosely, maybe 10 thousands to big. Suggestiongs?
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Nov 18, 2012, 04:13 PM
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gkamysz's Avatar
I've made some. The spigot is 10mm.


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