At my company, we have all kinds of cleaning machines for jet engine parts.
We have soapy solutions, solvents, ultrasonic/soap, and alkaline.
Unfortunately, I cant use any of them........ 
I wonder how clean our 2 minute alkaline wash would do on aluminum?
Alka-seltzer? 
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Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR, 993SS cams, Borg-Warner S366 turbo @ 1.2-1.5 bar, Treadstone full bay IC, 70mm TB, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MicroSquirt AMP'd w/GM smart coilpack, Bilstein coilovers, Tramont replica Speedlines (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
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