Re: tapered plugs

Posted by RBoots on February 09, 2019 at 17:51:13 from (173.241.113.101):

In Reply to: tapered plugs posted by fixerupper on February 08, 2019 at 18:08:25:

I had never stitched anything before, but
when I mentioned to a neighbor that I had
a cracked block that I was pondering
welding, he said he had a stitch kit and
wanted to see if it worked, and told me
to try it out on my block. This block had
a crack about 6" long on the water
jacket. This kit had the bolts that the
head would snap off when it was tight
enough. I used the 5/16" threaded pins. I
eyeballed the holes and prick punched
each one, then drilled them all, then
tapped every hole, and then installed the
pins. Then I roughly ground the remaining
shank down near where I wanted it, then
went through in between each of the pins
and prick punched all the holes for the
second row of pins. Drilled, tapped,
installed the threaded pins. I used
loctite on all the pins when I screwed
them in. Once I had both rows of pins
done, I ground them all down flush with
the block. Then I used a flap wheel on an
angle grinder, smoothed and blended the
whole area together, then ran over the
entire smoothed area with a needle
scaler. It disappeared. You won't find it
no matter how hard you look. I
immediately filled it with coolant and
hooked it to a flail chopper and put it
to work. It was either going to work or
fail right away, so I wanted to find out.
I've done a few more since then, it's
pretty easy. I bought a pack of 75 or a
hundred stitch pins and they will do a
lot of work with that many. Don't
remember where I got them from, somewhere
online. The pins weren't bad, but the
special tap for them was like $25. I
think it was around a hundred bucks for
the tap and however many pins I bought. I
need to figure out where I got them, I
need to do a Case block.

Ross

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