Mike, you've got the right attitude, build your's & run it. There's a whole $hitpile of people that run the salt with that frame of mind.
If you happen to hurt an SBC it's no big deal, if you scatter your baby hemi, you'll do some cryin for a while.
The Markley-Hoffman guys ran really fast with them & made it look kinda easy, it's not even. Harry Jr ran over 370 with one in D/BFS & it took the Potete-Main extended checkbook to take that record.
Some people can make a hard engine work & some can't keep an easy one alive for long.
I wasn't aware of the 'tech to speed thing' that Nathan was talking about, but I applaud SCTA for that.