5point9limited
New member
Hey guys I used Chassis Saver today to seal up all of the rust under the Runner today. My buddy did his 2007 Ram 2500 Cummins and the 4Runner. Surprisingly, the 4runner had a decent amount of surface rust for a 2011. Every used Runner I looked at in June had a lot, as well.
I have used this stuff on multiple vehicles, including my Jeep. You can paint right over existing rust and it stops it in its tracks. In fact, they say it sticks better to rust, than to bare metal. It's incredible stuff. You could compare it to Por15. Here is a video of Stacy David from Trucks using Chassis Saver- https://www.youtube.com/watch?v=NXrF1n9s3xM
Here is what I did over 2 days (to allow for drying of water). While the truck sat up high on 4 car ramps.
1. I used my drill with 2 different wire wheels to knock off any loose rust.
2. Used the orbital sander (Harbor Freight) to scuff up the everything to be painted.
3. After everything was scuffed and brushed, I doused the whole underside with Purple Power.
4. I then used my gas powerwasher to blast everything else out and rinse it really well. Do not do this on a windy day while outside.
5. Pulled it into the garage and back onto the ramps for better access to everthing under.
6. Hung tarps from the doors to prevent too much overspray from exiting from under the truck.
7. Bought a siphon feed sprayer for $20 from Harbor Freight and filled it with a half quart of the paint and 10% reducer. I used my trusty 8-gallon compressor from, you guessed it, HF.
8. Climbed underneath and sprayed as much as possible, starting on the frame, crossmembers, and A-Arms.
9. Clean up and crack a cold one
Tips:
-Use a spray wax on the paint before you do this to make overspray easier to remove with a clay bar. It will come off much easier. I clayed and waxed mine when it was done.
-Use paint filters when pouring the paint into the sprayer
- Search youtube for more vids on how to.







I have used this stuff on multiple vehicles, including my Jeep. You can paint right over existing rust and it stops it in its tracks. In fact, they say it sticks better to rust, than to bare metal. It's incredible stuff. You could compare it to Por15. Here is a video of Stacy David from Trucks using Chassis Saver- https://www.youtube.com/watch?v=NXrF1n9s3xM
Here is what I did over 2 days (to allow for drying of water). While the truck sat up high on 4 car ramps.
1. I used my drill with 2 different wire wheels to knock off any loose rust.
2. Used the orbital sander (Harbor Freight) to scuff up the everything to be painted.
3. After everything was scuffed and brushed, I doused the whole underside with Purple Power.
4. I then used my gas powerwasher to blast everything else out and rinse it really well. Do not do this on a windy day while outside.
5. Pulled it into the garage and back onto the ramps for better access to everthing under.
6. Hung tarps from the doors to prevent too much overspray from exiting from under the truck.
7. Bought a siphon feed sprayer for $20 from Harbor Freight and filled it with a half quart of the paint and 10% reducer. I used my trusty 8-gallon compressor from, you guessed it, HF.
8. Climbed underneath and sprayed as much as possible, starting on the frame, crossmembers, and A-Arms.
9. Clean up and crack a cold one
Tips:
-Use a spray wax on the paint before you do this to make overspray easier to remove with a clay bar. It will come off much easier. I clayed and waxed mine when it was done.
-Use paint filters when pouring the paint into the sprayer
- Search youtube for more vids on how to.







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