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according to the books '68-'71 the 340 was rated @ 275hp, in '72 &'73 it was 240hp because of lower compression & it had heads from the 360 which had 1.88/160 valves... I remember reading an article in Chrysler Power Magazine about 15 years ago that they were underrated on paper due to insurance costs & that the '68-'71 actually pumped out over 300hp!! does anyone know if this is true??

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13y ago
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Q: How much horsepower does a stock mopar 340 have?
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