| Hi I'm having an issue with my 94 twin turbo, I have a built engine with jwt street cams, forged internals, and 600 turbos.. what happened, I picked up my car after having it tuned on the dyno and i heard a pop or backfire when decelerating to a red light and saw white smoke. I had not hit full boost or revved over 3500 rpm the entire drive home. So far did a compression test and its 130 for all the cylinders except cylinder #1 which is at 155. Also while testing Cylinder #1 it backfires, or can hear a loud pop of air. spark plugs and coil packs were removed during the compression test. I have oil in the intake manifold and white smoke on deceleration. The shop tested PCV and confined thats not the issue. Leaning between blown turbo seals or bad valves. Has anyone had this issue before or any advice. Thanks in advance!
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