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What are the most accurate BONE STOCK numbers for 89 TTA Trans-Am's(the 3.8 GN engine).The reason i am making this post is because i have seen a fairly big difference in numbers on these cars and wondering which were the most accurate. I have seen 0-60 in 5.2 and all the way down to 4.6 seconds. the 1/4 mile ranging from a 14 down to mid-low 13'[email protected]