Re: Cracked Super A Block

Posted by T_Bone on December 19, 2006 at 17:34:33 from (4.240.132.207):

In Reply to: Cracked Super A Block posted by Hartford Manning on December 18, 2006 at 17:24:05:

Hi HartFord,

This would be a very easy weld repair for an experienced weldor.

I would gas weld the repair using a castiron filler rod. I would start on the left crack face and V notch the crack from the bore towards the side of the block about 3/4 of a inch, weld that and let cool to room temperature covered in sand, then V-notch the horizontal crack from the bore towards the water jacket hole of 1/2 the distance, weld and cool, then v-notch the right most water jacket hole towards the 2nd bore of 1/2 the distance then weld and cool, then start back where the 1st weld was replaced and repeat the procedure as above.

What this does is keep the pieces aligned in place while there welded then after there cooled then they can be finished welded without worry that the piece would shift out of position while being repaired, hence all the short welds helps.

I would also make the short weld repairs as the block sits now less sleaves, pistons and such.

You would then to make a small block plane with a rotor file, just like a block plane used for wood, so you can finish the weld to the block surface without damaging the block surface.

I can see 4hrs really easy. So if you have to pay a weldor for a couple hours welding and then you need another couple hours in finish work, you would have about $200 into your current block, on the low end.

What's it going to cost for a used block? I bet this will be the cheaper cost.

T_Bone

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