Originally Posted by
jasun
Good luck and let me know how it works out. I had a Holley on my salt and had the same problem over and over. It would backfire through the carb. I would adjust the floats and gas would pour down the secondaries or no gas at all... I finally got fed up and changed it out for an Edelbrock... I AM NOT BASHING HOLLEY.... just saying...
but i never had luck with it. Let us know if this works or not. My thoughts were that the boat moves so much anyway that it never sits level and a spacer would not do anything for it.