Whats the first year of the 360?

70aarcuda said

AARCuda and TA Challengers got the 340-6 packs....1970 year model only

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why...probably cause the 6 pak motors were mid year additons...mopar was switching from X heads to J heads from 70 to 71....the 71s would get the J heads...so maybe the X heads were not avialble....

that is my guess....