Originally Posted By hudsonhornet7x
Looking for some understanding here fellas- I have read that the 518 is an overdrive version of the 727. To me then I would assume that the 518 is just as strong as a 727. Is this true? If not, why?


Not sure if you have a big or smallblock engine to put in front of it, but don't forget all 518 transmissions have a smallblock bellhousing.

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