Car Longevity 
Car Sealent restoration
Rustoleum 2x Clear Acrylic enamel.
Change oil every 2000 miles
DIY $30
At shop $100
Oil Grades over Life of car.
High Mileage
Oil Filter
Quick Oil Drain
Quick Oil Filter Change
Car Rust
phosphoric acid
70 percent Alcohol
Video
19:1 phophoric acid/alcohol
the phosphoric acid converts rust (iron oxide) into phosphoric oxide,
dilute to 40 percent?
commericail products are 18%
Tractor Supply
Home Depot concrete etcher
Pool Cleaner
24 hour cure time
Commercial product is 100 per gallon 18%
USe Epoxy primer
Can make 11 gallons by diy.
1 Gal. Concrete Etch, Metal Prep and Rust Inhibitor Outdoor Cleaner
