Real hp out of SOHC motor... possible?

[-S Double C-]

Im building a 500+whp stock sleeves d series. I have maybe 3k in my whole setup and it will be a low 10 if not high 9 second car when im done. Let me introduce you guys to some REAL D SERIES setups!

Here's a full weight full interrior 4 door eg that has 3 mods to the motor it's self that runs 11.2's and has less then 600 dollars in his motor. He dynoed 405whp and 314trq with a ebay t3/t4. Still running 3 years later!!

http://www.honda-tech.com/zerothread?id=1719843&page=1
http://www.honda-tech.com/zerothread?id=1748160

Here's a hatch thats nearly stock with less then 4000 in the whole car that runs consitent 10.3's, not to mention it's been doing this for 3 years. Hows 471whp/356tq @ 29psi on 101 octane reving to 9100 sound? and this is not the highest power this car has made..not to mention he's also running a ebay t3 t4.

http://www.honda-tech.com/zerothread?id=2295855

Here's a Friend of mines 500whp d16 hatch i talk to often on H-T that is DD with a/c and p/s still. Once again less then 2500 in his motor as well.
503whp and 345trq

http://www.honda-tech.com/zerothread?id=2337047

Here another full weight 4 door with a nearly stock boosted d16 thats runs 11.2's
http://www.honda-tech.com/zerothread?id=2392446

Here's a 605whp with 403trq d series with less then 3k in the motor...
http://www.honda-tech.com/zerothread?id=2371560

ALL THOSE MOTORS HAVE STOCK SLEEVES AS WELL!

D-series motor are awesome to play with. MOST UNDER ESTIMATE THEM! No one around here takes time to do things right now days. Show me a 500-550whp b series that runs around 10 flat or high 9's.