A833 390 stroker what do I need to hold 400+ hp

cawcislo said

will it be strong? If so can I buy the gears/shafts etc to make the upgrade? Or should I be looking for a regular a833 as a parts donor for all I need?

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I had a complete Iron 833. I just swapped everything over. If I remember correctly I just changed the front output bearing to the larger size bearing. I can't comment on strength as I don't know. It was in a Dart (street driven) and I never had any issues.I still have the whole setup.Saving it for another build someday I'd like to Stroke my 1974 LA 360