Quote:
Originally Posted by williamsvts
take it off. tests have been done and with dump valve you end up with atmospheric pressure in inlet tract, without dump valve you still have positive pressure in inlet. and it wont instantly kill the turbo. dont think norris designs use one on their 1000hp evo so i wouldnt worry about it on a 200hp engine.
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I totally disagree.
A dump valve is there to prevent compressor surge. Running low boost this isn't so much of a problem, but higher boost will harm the turbo quickly. Not only that, with a stalled compressor wheel, you're introducing more lag as the turbo has to spin up "from scratch" again.
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