MrBear
New member
It's been a couple months now, but I installed a Mishimoto radiator into my car to replace the second leaky OE rad. First leak I had was the crappy o-ring Mishimoto uses on the drain plug that I replaced with a copper washer. Since that leak I've been battling a leaking upper rad hose. I've loosened it up re-positioned the hose re-tightened it would seem to work for a while and start to leak again. I'm trying to figure out which is more the culprit the silicon hose or the smooth aluminum. Two solutions that I've come up with is to get some H/D constant tension hose clamps, or what I probably should have done when I put the radiator in, scuff up the water-neck with a scotch-brite pad. Any thoughts or insight is welcomed. I also have to re-do Mishimoto's teflon job on the barbed fitting they used on the filler-neck as well.