Hello,.
De-grease it and take it down to bare metal before you re-finish it if you want your task to come out looking much better.
I provide aid for the diy mechanic ... Maybe its just a small repair work, or a full restoration, I can help.
Shown are a couple VW Bug heat exchangers ... The quality of surface in between a rusty / filthy surface and a clean metal surface area makes the distinction.
I can do consumption manifolds, valve covers, cylinder heads ... Things about that size or smaller sized.
$30.00 / Hour + products.
You scrape the crud off and de-grease it for a much better cost, or I can do it.
No Text Messages Please reveal contact information ... (In Redmond).