JB Weld penny for heat riser block offs?

forget the pennys, cut a small piece of thin metal large enough the cover the holes in the block, use some thing to hold the metal in place when you lay the intake gasket on the block, thin metal wont hurt the gasket and it wont move or blow out
 
RE Penny block off . You have to use old penny the new penny is not penny is made cheaper and not as good, [ like a lot of new parts} l l Lee34
 
Won't use the JB WELD, the pennies I used were out of the 50's. Trying to think of what I could use for metal between block & gasket that would be thin enough?
 
In the old days we used a strip of beer or pop can. In those days the metal was real tin. We just loosed the bolts up and lifted the manifold up and slide the strip in with about an inch or so hanging out. Come winter we just loosened up the bolts and pulled it out.......an aluminum can might not last long?
 
I use the cup type freeze plugs, any parts store should have them, just measure the hole, I think it's 3/4, I could go out in the shop measure one of my blocks if I wasn't so lazy. Walt
 
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