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How much would a stock block 340 with w2 iron heads and aluminum intake weigh

vs.

a stock block 440 with aluminum heads and aluminum intake?



no idea what they weigh but I know which one will make the most power.


well we know its not your 440-6 from your ET




yeah put a 340 in my car and see what it will run. I'm guessing I'm around 600 at the crank. It will take a lot of work to pull those #'s w/ a stock stroke 340. Not to mention a ton of RPM and it still won't have as much torque. and I haven't run it 100% yet...
As for weight the BB is always going to be 75-100lbs heavier than and equal S/B. I'd guess an iron headed 340 vs a BB w/ aluminum parts would be close, probably still lighter. I'd run what you have and see if you like it. The BB will make more torque and HP quicker and you won't have to run as many rpms.