Welding larger v-band on outlet?

vendredi 4 avril 2014

I'll be welding v-band flanges on the compressor housing of my secondary and have a question about flow.



The 4" inlet will be easy as it just takes a 4" v-band and my S480 now has a 4" outlet. So the tubing will be simple, 4" tubing all the way around.



The intake side of my CAC is 3.5" and the outlet of my S364 is ~2.75, but a 3" v-band would easily fit, but then I have a reducer.



My question is a 3.5" v-band would fit to the compressor housing if it were welded just past the machined section, used for a boot, directly after the 90*. Would the sudden change from ~2.75 to 3.5" of the v-band cause too much turbulance and have too much of a undesired side effect?



The v-band would be welded on the insideas well for a small amount of taper to the 3.5". I'm expecting boost to be around 85 psi with this head.



Wanting to keep reducers out of the piping I'm building is the primary reason for this.



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