81 chevy malibu. Sputtering issues under a load.

[Surge1971]

My 81 malibu sputters and acts like its not getting enough fuel or missing while under a load at upper rpms. If i do a burnout it dosent do it. I have a 350 with scat 9000 crank stock rods 10:5:1 comp. P C E aluminum heads 220 runners with 64 cc . Edelbrock air gap rpm intake, 750 brawler double pumper. 1.6 scorpion roller rockers. With a DUI ignition set up. I put the lunati voodoo cam 10120705. 3600 stall with 4:11 gears . If anyone might have an idea please let me know.

 

[fancyTBI]

That’s not a GMT400.

This section is meant for GMT400 related engine maintenance/performance issues.

 

[Erik the Awful]

What's your fuel pressure? It takes less fuel to keep the tires spinning than it does to push that car down the road.