Information on a 340 for my 69 dart

nutz said

so 68/69 has different tc wp pulleys does it fit 70 up block ....(would like it to look 69)

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As long as you get all the parts for which ever design it'll work... As mentioned 70 & up is easier to find..

The radiator outlets changed so the waterpump & hoses are different, the timing cover & harmonic balancer are different, brackets & pullies....