I say get the engine above without the intake for $1819. Get this combo from Summit for these crate motors.
http://www.summitracing.com/parts/cm...make/chevrolet Here is the ignition system you could also get.
http://www.summitracing.com/parts/sum-csum2210 Then you'll need fuel pump, spark plugs, water pump and water neck for the intake. Hope this helps. So for under $2800 you can get everything.