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Re: how can i more horse power on my stock '73 240

Some quick and easy upgrades:
Get the SM needles from Ztherapy.com for your carbs.
Upgrade the coil and wires
Consider a cam that matches your intentions for the car (.450 272/282 would probably be a good choice)
Headers and a free flow exhaust

If you're looking for more, there are several ways to go, but this would be a good start...

If you're going to do more, raising the compression and some additional head work would be required if you're staying with a NA configuration.
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