X2 on what TRBenj said. Always start with the basics. All connections need to be clean and corrosion free. Be sure to take each one apart and clean........looking clean and being tight don't get the job done.
CUSTOM WHEEL & TIRE PACKAGES
$125 LED LIGHT PACKAGE - FREE SHIPPING
REBUILDING HOLLEY MARINE CARBS - $249 DELIVERED
REBUILT COMPLETE MARINE HOLLEY 4160 CARBS
FOR 302, 351 & 454 STARTING AT $425
Email - firstname.lastname@example.org