Thread: Getting more power out of a 307

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Hi Everyone,

We pulled the stock 307 out of my buddys 68 Chevelle this weekend. We're cleaning up the engine bay, and doing a full re-gasket and re-paint on the engine, as it leaks from everywhere! While its out, he wants to add a little power....

I already know a 307 is better served as a boat anchor, and theres a dozen people who will tell us to build a 350 instead (including myself!), but we're working with what he's got, he's kind of attached to his 307. Its a street driven cruiser, not looking for big HP gains, just something to wake it up a little. He already has full length headers and a 4 barrel holley, so I was thinking maybe better heads and cam upgrade.

Ive built some 350's but never worked on 307's...so i'm not sure what parts will or will not work well. What low-cost heads would improve power? Are Vortec heads a good option? Budget is small, under $500, so Im thinking of finding used heads locally or some refurbs on ebay.

Any input is appreciated!

Thanks.