Yea... Right, the thing is drivable. I said it before in the other thread and I will say it again here: These engines DO NOT suffer mechanical or timing issues politely. You are gambling with an $8,000 repair job if you attempt to drive this thing even up onto a trailer. I lost a turbo, something completely external to the engine. In the ensuing 30 seconds after the turbo failed, the loss of oil pressure caused critical damage to the #1 cylinder. It failed completely less than 10 miles later on the test drive with the new turbo and full of oil.
When the new engine was installed, it ran great until it was on the test drive, then the timing slipped b/c the tensioner was over-torqued and trashed all the rockers. Instantly.
DO NOT ATTEMPT TO RUN THIS ENGINE UNTIL YOU PULL THE HEAD OFF. This is being said out of knowledge of this vehicle, and the absolute certain knowledge that an electrical problem (relay / computer / injector / etc) CANNOT CAUSE MECHANICAL NOISES that you have described.
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