Posted by JRSutton on December 06, 2011 at 12:21:27 from (75.130.109.233):
In Reply to: Re: Super A leak posted by David Lampman on December 06, 2011 at 11:43:31:
That's exactly what my concern would be - I just don't know exactly how the leak stop stuff works. I assume it relies on a water pump to mix it throughout the coolant.
I suppose one thing you could try- and this COULD be a total waste of time - but it sounds sensible to me...
but you could drain the system, pre-mix the bars leak stop stuff into some water/coolant, then add it to into the block. - put it in gallon jugs, shake it up real good and get it suspended - then dump it in. Keep doing that till you're full.
Just a thought.
Been a while since I used jbweld, having a hard time remembering how thick it is. If it's kind of clay like, you could always use 5 minute expoxy (metal kind) instead - I know that's real runny when you first mix it up. Should be able to press that into a tiny hole - at least well enough to seal it. And I might leave a very thin layer covering the area if you can make it look neat.
I'd scuff the area up first with a little 2" sanding disk in a die grinder type of thing. (but I too would be worried about opening the whole too much - just get it to bare metal)
At least with the jbweld/epoxy you've really got nothing to lose. If it doesn't work and you need to weld it, it's all going to have to be ground down a little more drastically anyways.
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