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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
500-550rwhp if the motor is sc or turbo, 450rwhp if on nitrous just because the nitrous hits a lot harder then the sc or turbo does.
you can speculate all day long but every block is different. ive seen them hold 650rwhp for years and ive seen 650rwhp split the block after just a couple passes