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Hello all. I have a 1990 chevy 3500 dually 2wd. Motor is a 454. Motor has a GM Remanufactured metal tag on it. Part number 12339193. It states Bore .060. Main Brgs .010. Rod Bgrs .010. Date L 3. Serial number 40492. Also on front of motor above timing chain cover shows T0523AKR. I will try to attach pics also. Can someone tell me what the info shows? What year is the actual motor, etc.
90 dually 3500 motor question 454
