bypass valve question
Im getting my pipes welded up this week and need to figure out my bpv location. I was originally planning on mounting it between the TB and IC like normal but am contemplating mounting it between the compressor outlet and IC since it would be a cleaner install, running the outlet practically straight up 10" or so to the intake pipe. It seems that this wouldnt be optimal though, since the air would have to bounce back off the throttle plate and go back through the IC before it got recirced. Am I just being ---- about this or will I not even notice much of a difference with this setup?
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it doesn't really matter.
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I guess the more I think about it, im just over thinking it.. This suspension class blows, im just trying to keep from falling asleep right now.
On a side note, how long, hipothetically, could one run with out a bypass valve at, oh, say 4psi, before potentially causing excess wear and tear on the turbo? No, its not me, but I was discussing this with someone the other day. I had a buddy with a Grand National who had no bpv and he never had any issues other than the excess lag from the compressor surge |
There is a reason that nearly every manufacturer places the BOV between the IC and TB.
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I've seen factory turbos with the bov in the compressor housing.
In theory it's best by the TB, but does it really matter in the end? |
Both my current stock Jetta and homebrew Miata (using an OEM Volvo turbo) have the bypass valves built into the compressor housing. They work fine. Never heard a bit of compressor surge on either.
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isn't mounting it between the ic and tb supposed to be ideal because the ic doesn't like the excess pressure?
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if the BOV is slow enough and turbo sealed off enough to allow a pressure buildup between shifts you have other problems.
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