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#21
11-11-2010, 10:47 AM
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I think that spraying this fine mist of water/methanol will destroy your compressor wheel. It seems that water droplets contacting blades spinning at near 100,000 RPM would etch them over time. Have you had any problems with the compressor wheel or is this the motor that you are rebuilding?
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#22
11-11-2010, 10:57 AM
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No problem with the compressor wheel. Injecting water/meth pre turbo is common practice, especially on draw-thru carburated turbo setups. Obviously the best results would be direct port, and I'm sure over time the water will errode the compressor wheel, but in a draw through setup for example, so will the fuel hitting it. I have never seen that wear out or ruin a compressor wheel on a turbo. Dirt is a much bigger problem. That being said, I'm sure someone somewhere has ruined a turbo from injecting too much or doing it for a long period of time, but it would have to be a hell of alot of miles of use, and we are only talking about injecting this for a few seconds at a time at the most.
Jason
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  Back again with a '84 760 GLE D24T/ZF SOLD but not forgotten! 1984 760 Sedan, built D24Tic/ T-5 swapped My engine build: http://www.d24t.com/showthread.php?t...t=engine+build T-5 swap: http://d24t.com/showthread.php?399-W...to-quot-w-pics!
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