Aquamist probably makes the nicest pumps. I really like the kits from SMC too (SMC has great customer service). The EvolutionM forum has lots of good info on aquamist and SMC.
I have a new (never used) Aquamist 1S kit I'd sell for $500 shipped if anyone is interested. I'm not ready to put it on the Evo and I'm going to try E85 in the Talon.
http://www.3sxperformance.com/alcoholinj.asp
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