Hopefully this new 7.3 gas is better engine than the 6.2 gas. Our company bought a fleet of them and most have all blown up around 80,000 miles. Seems breaking valve springs is a common problem.
Our old 460s by comparison all surpassed 250,000 miles without ever opening the engine.
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Two 1975 455 Grandvilles &
'79 455 Trans Am
‘69 Camaro SS 396/375 (owned since ‘88)
‘67 Corvette 427/435
‘23 Lexus LS500 awd
‘20 Audi R8 & ‘25 Toyota RAV4 (wife’s cars)
‘95 Ford F250 4wd 7.3 p-stroke
& countless Jeeps & off road vehicles & motorcycles 
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