Before you decide to junk that unrepairable engine block watch this...

-
I have one of those kits good stuff save a 64 slant block for me. Been around forever also!
 
halifaxhops said:
I have one of those kits good stuff save a 64 slant block for me. Been around forever also!
Click to expand...
My neighbor found a '35 Nash Lafayette in a barn two miles from here. We dragged it out and brought it home.

Looked at the engine and it had about 50 holes drilled into the side of the engine block and brass machine screws holding a brass plate custom cut to the contours of the block. That patch fixed a freeze crack that occurred 50 year earlier.

The Nash was still running in the 1970's and later.
 
Have to love it.
DSC06692.JPG
DSC06690.JPG
DSC06691.JPG
DSC06693.JPG
DSC06695.JPG
DSC06697.JPG
 
one of our cooper bessemer engines at work was fixed like that years ago.. one of the rods came through the side of the block.. it amazing when ya look inside it and see all of the repair..

DSC_0103.JPG
 
abodyjoe said:
here is some of the inner repair work.. the outside was stitched like in the link above..

View attachment 1715582355
Click to expand...

I saw a specialty company do it to one of the fire razed pipe line engines we were overhauling back in the late 60`s , little did I know ,I `d have to do it to a 426 hemi block in the early 70`s , did it in my driveway ,on the tailgate of a 67 ford pick up , no special tools , used 1/2'' 20 grade 5 bolts for pins , locktited before shearing the head off/"overtitened to u cal guys" -- that hemi is still running today around Salina Ka.
Nothing new under the sun.
 
So on a garage level repair, you just drill the crack and screw these pins in, tighten and grind flush? Do the pins need to overlap? That large scale ship repair is something else! USA!

I watched a huge 80" valve seat being ground with a grinder on a boring bar. He just set it up and started rotating the rigid jigged grinder around the valve seat. Simple yet effective
 
My old friend Tom worked for Allis-Chalmers in West Aliis, WI when they were building engines for ocean going ships. I once asked him what he was working on...he told me he was grinding crankshafts...with a 4' throw!!!. They were 8 cylinders and were bolted together...
 
pishta said:
So on a garage level repair, you just drill the crack and screw these pins in, tighten and grind flush? Do the pins need to overlap? That large scale ship repair is something else! USA!

I watched a huge 80" valve seat being ground with a grinder on a boring bar. He just set it up and started rotating the rigid jigged grinder around the valve seat. Simple yet effective
Click to expand...
Easy, drill the ends first to stop the crack then over lap them. They have a kind of like upward thread that locks the metal together. Pretty awesome, aw heads done between the valves then machined for the valve Different plugs for different applications. Look at their web site. Not cheap but you can save stuff I threw away in the past.
 
That's amazing alright. When stuff gets that big, the difference between repairing and replacing is also big.
 
pishta said:
So on a garage level repair, you just drill the crack and screw these pins in, tighten and grind flush? Do the pins need to overlap? That large scale ship repair is something else! USA!

I watched a huge 80" valve seat being ground with a grinder on a boring bar. He just set it up and started rotating the rigid jigged grinder around the valve seat. Simple yet effective
Click to expand...

Half overlap , drill and tap , clean, locktite , screw in soft bolt untill it breaks the head off, when completly done peen with , "u guessed it "" a ball peen hammer , will end up looking almost like a weld bead .
 
Yeah.. those guys are about 1/2 mile from my house. They've really made a name for themselves. Expensive though...
They're Stitching pins used to be self-tapping.
 
You must log in or register to reply here.
-

Back
Top