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I have the same car same year and am also just looking to get mine running. I have an available 75 or 76 440 pulled out ov a runner, but i would MUCH rather find and use a 68-69 4-bbl 383 (one with stock pistons though). I like the smaller engines, dont need a 440 to go fast, the 383's are just generally stouter, i like revs over low-end torque and probably the main reason that 440 will continue to sit there, alongside my non-running Challenger until i find a nice low-deck... The lowdecks are just easier to work around. I have never had a big block Mopar that wasn't high-maintenance... and there is just more room in the engine compartment with a 383. Weight savings is a big deal for me too... even if its (on average) only 20lbs. I also like the doing more with less idea.

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Thats all fine but;

- "generally stouter" is completely irrelevant at any reasonable street horsepower level.

- the 383 revving issue is largly an urban myth, especially on a street build with hydraulic lifters; both motors are done by 6000rpm. Want to rev? get a solid lifter BBC.

- easier to work around?? why because of the 3/4 inch less deck height? ummm OK....

- the weight difference is zero to 25 lbs; if weight is an issue, there are any number of goodies that will more than make up the difference between a B or RB in weight.....if there is any difference at all.

- High maintenance?? a Mopar wedge?? wow, try something exotic. anyway, no difference between a B or RB as far as maintenance goes.

- doing more with less is fine; it's your money but using a 383 instead of a 440 is giving away free power; I'd never do it unless I was going to build a stroker and it was in an original 383/400 car....but hey, fill your boots.


Dave