Rob Posted August 1, 2006 Share Posted August 1, 2006 Hi there, I think I've got a truck I going to install the 12V-71 into. My questions are these; I have twin T18A40 turbochargers installed onto this engine with a .96A/R ratio on the compressor side, and a 1.00A/R ratio on the turbine side. I know that the turbochargers are fitted with that A/R turbine housing for fast spool up from dead stop to 1800 rpm. In standby power generation installations, engines are called upon to assume facility load within seconds of cold start. I am wondering if the turbochargers will work in a varying rpm band due to truck usage, or should I have the turbine housings and wheels changed/modified? I'm really concerned about overspeed and catastrophic failure, rather than "brute force". My typical airbox pressure at 100% facility load (on load bank) is about 21 psi, with engine temp about 175-180 degrees F @ 80 degrees F outside temp. There was still more to go with the load bank but no need to push the envelope.ThanksRob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment Share on other sites More sharing options...
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