Disappointing ET's with 408

The Edelbrock carb is a major part of the problem. When I had one on my car it ran 93 mph in the 1/4. After I swapped it for a 650 DP, my mph went up to 97! The first thing you should do is get that 750 on there, then take it back to the track. After that, tackle your exhaust. It is holding you back, too, IMO. You could use 1 3/4 primaries and you should have 2.5" exhaust all the way out the back.