Jim Saraceno Posted October 21, 2007 Report Posted October 21, 2007 So I got my '35 back on the road after replacing the fuel line and cleaning the fuel pump and now a freeze plug fell out. When I rebuilt the engine, the machine shop took it upon themselves to install the freeze plugs, a task that I was planning on doing myself. Now I'm wondering about the rest of them. I have no idea what made this one fall out. I did notice there was sealant on the inside and they are all dimpled on the outside. Anyone have any opinions on this? Quote
Don Coatney Posted October 21, 2007 Report Posted October 21, 2007 I installed all of my own freeze plugs when I rebuilt my engine and one of them developed a pretty good leak so I had to replace it. As the saying goes stuff happens. Stick a new one in and keep an eye on them. I carry spares with me now. Quote
47heaven Posted October 21, 2007 Report Posted October 21, 2007 How ironic...one of my freeze plugs came out partially yesterday when I had just gotten onto the freeway to test my new overdrive. Luckily, I looked at the temp gauge and saw it climbing pretty quick, so I got off of the next exit and pulled over. Some passerby pointed out the front of the car and when I got out to look I saw steam coming out. So I naturally thought it was the radiator, but when I opened the hood, I then saw the stream of water coming out of the freeze plug. Needless to say, it's back up at the mechanic's being repaired....and it's such a nice weekend to be out driving the car. Quote
david lazarus Posted October 22, 2007 Report Posted October 22, 2007 Jim. a long time ago an old mechanic told me to spread the new frost plugs by resting the ball end of a ballpeen hammer against the plug and firmly tapping the "hammer" end of the ballpeen with another hammer. He described the desired deformation as been a broard and gentle depression in the frost plug. In your photo yours look like they have been hit with a screwdriver. Others may confirm or correct the above method, but if my engine arrived like that I would pop all of the frost plugs out and do them again. Rgds Dave Quote
BobT-47P15 Posted October 22, 2007 Report Posted October 22, 2007 I was thinking along the lines of what David just said. One tap, not beat to heck. Maybe some sealant along with correct installation. Quote
Merle Coggins Posted October 22, 2007 Report Posted October 22, 2007 The technique that David mentioned is pretty much how I learned to install core plugs, and is how I still do it to this day. I also use some sealant, usually #9 Permetex called "Tack and Seal" It stays flexible and is quite sticky. It is my favorite gasket goop. Merle Quote
Jim Saraceno Posted October 22, 2007 Author Report Posted October 22, 2007 Thanks for the advice. The plug did have a sealant on the inside. I'll take a look at the other plugs and see if they have the shape of a ballpeen hammer or not. Of course setting new plugs would be a piece of cake if the engine was still out. In the mean time, after all the work I put into her and the way she has been treating me, I think I'm going to let her sit out in the detached garage and ignore her for a couple of weeks and see how she like that! (I'm sorry Bluebelle, I didn't mean it. You know I could never stay mad at you for long.) Quote
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