I think it's pretty mild. This is my previous Melling RAIII cam. To me it sounds more rowdy in the video than it did in person.
https://youtu.be/u1TXdkyh29k
Edit: Oh. Sorry. I see it's for a 461. That's a tiny cam for that CID. That video is in a 400.
Edit again: It's the Melling 068 in the above video, not the 744
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear
https://youtube.com/shorts/gG15nb4FWeo?feature=share