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  1. Engine Tech
    Hi 460 Community! This is my first post! I have an 89 F250 w/ 460 EFI & ZF5 Speed Manual - I bought it a week ago; owner said it had not run in 3 years. He claimed the mechanic told him that the cylinders were losing compression. I tested all Cylinders and I am getting 125 + or - 5 on each...
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