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Showing results for tags 'cdt turbo'.
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Hello all. I was flying to Oshkosh and just west of Texas I noticed the EGT and CHT of #6 cylinder were off of what they normally are. Not enough to be alarmed and land, but just off. I went up higher to get out of some thermals and noticed the Compressor Discharge Temperature was at redline. I stopped the climb and leveled off. The CDT went down but was still reading about 25 degrees hotter than normal. When I landed at KGPM I looked inside the cowell and saw the #6 cylinder didn’t have an exhaust gasket. Shop on the field checked it out and fixed it but said turbo was bad so they sent it to Main Turbo. Main turbo said it only needed a gasket replaced so they fixed it and bench tested it. Everything checked out. I flew the plane back to San Diego and was still getting high discharge temps on climb and at altitude. I had the shop next to me in SD test the probe/gauge to make sure all was correct. It checked out. Took it flying and down low all is well with the CDT. At 8k and above CDT starts headed to redline. It’s a M20K/231 with intercooler & merlin waste gate. I’ve flown the plane 600+ hours and this is the first time this has happened. Any ideas?
