We bought some 85% phosphoric acid from Dudadiesel.com. What is the mixture with water porportion to remove rust from trifive metal parts? And do you add acid to the water or vice versa? can't remember, been awhile since we used this stuff! I know there was an article here somewhere that they discussed this. Help.
Always add acid to water so the concentration goes up slowly. I read elsewhere that a 20-30% solution works good for rust removal.
Last edited by chevynut; 02-07-2014 at 01:43 PM.
56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension
Other vehicles:
56 Chevy 2-door BelAir sedan
56 Chevy 210 4-door sedan
57 Chevy 210 4-door sedan
1962 327/340HP Corvette
1961 Willys CJ3B Jeep
2001 Porsche Boxster S
2003 Chevy Silverado 2500 HD Duramax
2019 GMC Sierra Denali Duramax
Thanks Buddy! Sounds like you've done your share! Geo.
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