Sounds like the problem is in the initial setting of the ball valve. Yes Rons will have to advise or someone who runs a toilet. It needs to be in sink with the throttle blade and only needs to be a very small amount out to throw the hole thing out.

Peter. Australian Charger, alloy block injected 410in, w9 na 9.03@148 leafs 3000lb

1967 barracuda 605 hemi Stage5 millennium 8.2@170