KCHOTBOAT

I need the power valve specs and jet specs for 500hp carb.

tomcat

Here they are, right out of the Merc manual:

Holley 800 CFM

Primary - Port 81, Stbd 75, power valve 6.5
Secondary - Port 89, Stbd 93, power valve none

KCHOTBOAT

Thanks for the info.

Griff

So exactly how many engines are you putting together???????

KCHOTBOAT

The 500hp carb set up was for tanned fat. He didn't know what info he needed. I should have two motors then maybe I would be boating for a change.