lorne

Can any body give me a starting place to jet a 850 vac sec carb?I have a 30 foot wellcraft prima with a 502 that was bored .o60.The boat weighs 10000 pounds.The motor was a 502 zz but the compression was lowered to 8.75-1 and the cam was changed to a comp cam,.547 lift exhaust and intake
duration 230 intake and 236 exhaust.It has a bravo 2 drive 1.36 &18x19 prop.THANK YOU for your input.Lorne

Dixie Doug

77 pri-86 sec ,.I read you other posts,I think you should do a full check of your fuel system.Rebuild & "adjust" carb,fuel pump check and or replace .