Man. You guys.... go down to dollar store. Buy gallon or 2 of clear (or even brown) vinagar. Get a container with a lid cause the smell. Put the spouts in. Fill till the part your soaking is covered. Leave a week or two. You will be amazed. It dont eat any metal. Only attacks the rust......cost 5 bucks tops ....your welcome

1970 pro street cuda.
1970 cuda convertable