Edelbrock LD4B

Sounds like you have done a lot to your motor already and the more it is built up, the more you will notice the difference with the LD-4B
Just reliving my childhood. I factory ordered a 1966 Valiant Signet HiPo 4sp . Loved that car and only drove it for 18 months. Looked for another for decades and finally settled on the 65. I love driving this one as well.