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I installed a ZF 6spd from my totaled 96 into my 64 GS. I just changed the transmission oil and I had a chunk of metal in the drain plug. I did not have any issues before the car got totaled 3 yrs ago. I am about a month away from getting the LT4 in the GS fired up but I am afraid I will need a transmission shortly there after. Any comments/advise?.
The first time I changed the oil in my ZF6, I also found a small chunck of metal. That was 4 years ago, and after many hard runs it is still performing well.
Thanks I do not think it was a piece from a gear tooth, it was thin about 1/4'' and jagget. Its already in the trash. Otherwise, the oil looked good and clean, the tranny only has 20k on it and its the first change. The car is currently not running.