EQ Tuning - Engine Build Packages!
#150
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Yeah I'm curious too - though you don't really need a very clean room at all for engine assembly (I worked in semiconductor manufacturing, talk about needing cleanroom *****)
1 mil is 25 microns, and that's on the order of engine block tolerances. Even precision machining goes down to half a mil, 12.5 microns. Class xx/xxx/xxxx/xxxxx cleanroom specs usually deal with <10 micron particles
I doubt the environmental conditions need any modifications - yeah you care about the effects of humidity/pressure/temperature but if you work out the math for all with the dissimilar materials involved, from an engineering perspective the difference is below tolerance thresholds