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Old 05-21-2005, 10:33 PM
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Chip off the old block...

I was looking over my old 350 and I noticed the lower front left corner where the P/S is mounted is broken off where the lower bolt mounts the P/S bracket.

I don't have to piece that broke off. It's a 010/020 block with casting # 3970010, and partial Vin# V1103CNR.

Is something like this reparable?

Thanks!

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Old 05-22-2005, 12:11 AM
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yep...id say it is but you might have to cut the peice from another block depending on how bad it is...also it could get costly...but if it means that much to you then yes its doable just my opinion.
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Old 05-22-2005, 01:30 AM
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I don't know if its repairable or not without that peice or not. But just an Idea, maybe you could make a bracket for the P/S? or Maybe one of those serpentine belt kits or something similar might be useful, Im not for sure on that as Ive never used one but just an idea.


Brad
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Old 05-22-2005, 01:57 AM
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tough to say, a good welder can weld iron, or you can engineer a different kind of mounting bracket. How about posting a pic?

K
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Old 05-22-2005, 09:36 AM
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Here's the pic:


You can see where it broke off at the lower P/S mount bolt hole. To the left is the timing chain cover.

I already have a new engine in the car, so this engine isn't that important. I was thinking about rebuilding it, but I don't want to if this isn't a economical type thing to fix.
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Old 05-22-2005, 09:51 AM
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I know there will be people that will say that this work but if it's something external like this I've had good luck with building up the area with a mig welder. Use very short beads, about 3/8", at a time and allow to cool a bit between each bead. Don't try to fix a cracked head or cylinder wall this way but simple things like this will normally repair ok.
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Old 05-22-2005, 09:58 AM
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Not hard. A competent torchman can braze up a new boss that would be stronger than the original. I am leaving out most of the prep details. Thread a piece of 3/8" carbon rod with a coarse thread. Lay into the cleaned existing thread and build around it with brazing rod. The brass will flow into the thread on the carbon rod but will not fuse to it. When cool, screw the rod out and your done except for a little grinding and file work.
You would have to remove the timing cover and pan.
If you don't use the carbon rod the downside is drilling and tapping the new hole. Location is critical. The hole and bolt should be about a 1/4" longer than original due to softer thread.
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Old 02-27-2012, 08:50 AM
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same block

i have the same block in my 79 vette, same casting numbers and code. do you know what kind of block this is ? ive found many answers on this question, im looking for the real one.
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Old 02-27-2012, 10:39 AM
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Quote:
Originally Posted by jaymfaber
i have the same block in my 79 vette, same casting numbers and code. do you know what kind of block this is ? ive found many answers on this question, im looking for the real one.
Quote:
05-22-2005,
Dude,... This is a 7 Year old thread....


Cut it out....
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Old 02-27-2012, 10:55 AM
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btw

thanks for the answer, but its a 1970 350 block, the thread is 7 years old, does it mean that the answer will not be around anymore ? - lol
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