Thanks mate. The block is a 4 bolt SVO 9.5" deck height with the smaller Clevo 2.75" main journals. In the 800s back when the engine was built (2002!!!) was pretty decent power for a street motor, but the new turbos and bigger blowers are making 1400hp pump fuel small blocks possible these days...
Here's a crappy video of it, complete with distorted and out of sync sound, but the glowing pipes look pretty