Go for a stainless PWM clippard mouse valve. About $40.00. $22.00 for non stainless (50:50 to 100% methanol suitable)
http://www.clippard.com/store/byo_electronic/
Do not get a proportion valve, see details here:
(look at the PWM valve water injection systems section, way down on post #1)
Indepth study of WAI injection systems
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richard@aquamist.co.uk
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Last edited by Richard L; Nov 14, 2008 at 05:48 AM.
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