[30th t/a]

First off numbers! but!!
For some reason, 450/430 numbers out of a 346 seem a little odd....
To me, that looks like numbers from a bigger cubed motor than a 346cid with the TQ being so close to the RWHP. Ive seen 346's with (ETPs, TFS & AFRs) make 430TQ but their RWHP was always 470-500, I dont know.