Carb Jetting ?????

[DAVID GAGNARD]

Here's the deal;

Going to open track event at Nashville Superspeedway forth of July weekend. Buddy just bought a new Holley 600 Double Pumper, has not put it on his 67 Fastback yet,still in the box. I'm currently running a Holley 600 Vac. Sec. carb. He told me to take the Double Pumper and use it for the open track event and then return it,no problem....

I'm running a 351-W,approx. 350 hp at the flywheel,iron heads,10.4 to1 compression, Edelbrock dual plane Performer RPM manifold, I do not know what jets Holley sends the carb with (4150 series 4776 carb #),what would you guys recommend for jetting to start with????? Will put in your recommendations and run car and check plugs afterwards and adjust from there,just need a starting point from someone with expereince with this carb...

Thanks;
David