5.9 slt plus Durango donor for 74 duster

Sorry I read that wrong. Thank you for the info I think I’m gonna move forward with the swap
Your gonna dig it. I’m loving my 5.9 swap and it’s in a 3600lbs. B body, 727/3.55’s on 26-1/2 tires. And a overdrive would be an excellent addition for sure. Maybe one day I’ll get that. The small cam limits total usable driving rpm to around 4,000/4500 where it noses over in power. Just a FYI.