His question is on flushing the block, not the radiator which he says will be cleaned by a shop. So does this radiator flush stuff work on the cast iron engine as well as the copper radiator?


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain