Engine decision -- 63 Impala

Hey guys i was wondering what the best engine choice for me would be. I have a stock 63 Impala SS that I am hoping to restore / hot rod. It is probably going to never get to show quality without a ton of money so i think hot rod may be the way to go (and its more fun). It has the 327 in it I can rebuild, but we also have a SB400 i just started tearing down to rebuild. I have heard that the 400 can have overheating issues but can be corrected with minor cooling or head work? I would like a fun street machine. Im definately not looking for a dragster just a fun souped up street cruiser / tire peeler. Should I stick with the 327 or go for the torquier 400?

If I were to be getting an engine for a 63/64 I know exactly what I get they aren't easy to find but a 409 is what I'd get. that 63 weights a ton and then some. Get some ponies under the hood.

Go with the 400. They do not overheat if you build them right. A lot of the overheating is due to the fact people don't drill steam holes in the heads and have a good radiator capable of supporting 400 cubic inches. You need torque for that heavy car, and the 400 small block will provide you with plenty. I agree that a 409 would be really cool if you can locate one.