Interesting post. The Hyslop BF that runs in IPRA uses a standard windsor block of some sort as I'm pretty sure the IPRA guys have to use a factory not motorsport block. He's making big HP so I wonder how he doesnt "explode" blocks?
Link to the article here; https://autoaction.com.au/2017/05/15/skin-ray-hislops-improved-production-falcon