Super Jet Jetting riva powerbomb 48's? Help please:(

[Hollywood Hood]

I have a 97 sj 701 tall porting epoxied msd enhancer riva head 33cc domes factory b pipe and dual riva powerbomb 48's now that u know what I'm working with I cannot for the life of me get the jetting right some say I need a jet in my fuel return line? It has great snap on bottom end as soon as I get to full throttle runs for 2-3seconds wide open then falls on it face and dies I'm at the point of sinking this boat please help thanks

 

[Hollywood Hood]

Where should I at least start with the pilot jets and mains and suggestions?

 

[jetx]

Look up the carb jetting database thread on here...you'll probably find a setup similar to yours and start from there.

Pretty sure you'll need a return line restrictor with those carbs.

 

[superramjet]

Try 120 L 110 highs, this is where I always start with a new setup.