Oh ya, when I delt with my rust I used a siphon blaster, then figured I would try out rust bullet, and their blackshell top coat.
Rust bullet applied to my rockers, 2 coats
8byu by smetters20, on Flickr

Then topcoated with 2 coats of blackshell, dries hard as a rock.... on anything it touches
6bf461c5eb0decb73ad177ab77d8cd7e by smetters20, on Flickr

I also old schooled my undercarriage
db7102d2addb3d9fa5203030a428f6e0 by smetters20, on Flickr

97ni by smetters20, on Flickr

Its fun to try new and old things out