Did I overdo it with my injectors?

I think your fine.

They would be ok for a street stroker.

They would be too small for a blower.

I couldn't say about nitrous.

Grady

i'm running 30's on my car with no problems, i'd say your gonna need a tune though

30s are actually the best choice. That way if you add a blower later you can just toss an FMU on it and be ready to go.

30's is a bit too much injector for a 302 with h/c/i (unless you got a high spinner). You will most likely experience a rich idle/surging idle/and hot start issues due to too much cranking fuel upon start-up. You will have a "fatter" a/f ratio as well. I have seen a couple cases where they swapped back to 24lb injectors and gained a minimum gain at the track. Only change. Seen it more than once. Truth to it? I don't know...but it makes sense. A bit leaner overall is a bit more power.

A tune or tuning device will solve or atleast help you...but won't help your wallet.

Good Luck!