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How to make a homemade alky injection?

  • Thread starter Thread starter Chris Taylor
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Chris Taylor

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I would like to know if any one has made a good reliable alky injection? If so I would like some information and a parts list.
Thanks CT
 
I made my own. Used a water osmosis purification tank to hold the alcohol. These tanks have a schraeder valve for air pressure at the base and a tube on the top where you can pour the alcohol. I fill it full of alcohol, attach the hose, then pressurize it to about 90psi. The hose runs from the tank (in the trunk) through a frame rail to the engine bay where it attaches to a solenoid designed for use with Nitrous Oxide. After the solenoid is a 12"steel braided hose that runs to the nut welded over the hole in the up-pipe. In the hole I've screwed a Nitrous Oxide nozzle and am currently running an .030 jet. In Texas (lower altitude than here in Colorado) I ran an .024 jet. The switch on the solenoid is attached to power on one side and a Hobbs pressure sensing switch on the ground side (and on to the ground of course). 10psi of boost activates the switch, alcohol squirts in, and I can run 20psi of boost on 91 octane Colorado gas. Without alky I'm maxed out at about 13psi. So far it's been very reliable. I check the alcohol level and tank pressure every weekend. I've got some pictures somewhere; if you want I'll e-mail them. Hardest part is finding a tank. I had one left over from an old water purification system that I pulled out of a house.

Keith
 
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