Posted by Chris Case [108.247.150.16] on Thursday, March 26, 2015 at 16:06:45 :
In Reply to: Antifreeze question posted by Greg Coffin [67.176.56.160] on Thursday, March 26, 2015 at 15:09:15 :
Mostly the later (last 20-30 years?) have stuff for aluiminum added.
I don't know anything about "GM Orange" but if Ford or Toyota use green, fersure either would be good in an iron block w/brass radiaitro.
But now you made me think. If there is any difference at all, the old formula might have been better for the lead solder in old style radiators.