Head corrosion

alfa_corsa · #1 (**permalink**) 10-05-2008, 08:18 PM

I'm starting to work on the engine for the 67 Giulia Sprint Veloce that I'm building for my wife and today I used a very mildly abrasive 3M plastic disc to remove the remnants of the head gasket that had adhered to the mating surface. There are a few areas where the corrosion is pretty bad........perhaps a mil or two in depth. I'm not sure if it's easy to judge by the attached photo, but I'm curious what the popular opinion is regarding whether or not I can run this head as is. I really hate to have it surfaced as increasing the compression ratio is something I really don't want to do. I intend to build this motor to completely stock specs and I'd like to be able to run it on pump gas without pinging.

alfa_corsa · #2 (**permalink**) 10-05-2008, 08:36 PM

OK, so for some reason my image didn't post. Does the site support Flickr hosted images?

bianchi1 · #3 (**permalink**) 10-06-2008, 07:20 PM

try this.. if the corrosion is on a mating surface( like mine was)just clean it reallly well. get some jb weld..mix it up, thumb some in under pressure( this way you get all the voids out)then with a new, clean razor blade, run the razor bade across the surface of the head and smooth it out. this will close the pits/corrosion volds in the head. let dry for 24 hours... should be just fine.

**La Voce** · #4 (**permalink**) 10-07-2008, 04:10 AM

...or a good head shop can fill them, my head had some corrosion at the coolant passages as well, and they weld-filled and smoothed the area, repair looks great.