I may also need a little help, I have a 468 (4.310x4.000) Edelbrock square port heads, 2.25-1.90 valves, 13.3 comp, .722-.722 lunati cam, all in a 3500lbs 66 Chevelle, 400 turbo, 5500ati, and a 5.38 gear....What do I need for carb. I have a 830hp and it ran good on my last 468 but with much less compression?????????? I also run 1/8 mile ONLY (5.38)