|
Sponsored Links (Register now to hide all advertisements) |
|
|
Thread Tools | Display Modes |
06-08-2015, 04:17 AM | #1 |
Senior Member
Join Date: Nov 2012
Location: Tauranga, New Zealand
Posts: 726
|
Block salvage Corrosion on machine surfaces
I have a C69a block that was salvaged from a paddock. It has passed a crack test, but is badly corroded on the water pump mounting face and on the face at the back of the block where the cover for the idler gear mounts.
Has any body faced these surfaces or has any body had success in repairing them? |
06-08-2015, 06:57 AM | #2 |
Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
|
Re: Block salvage Corrosion on machine surfaces
Have never had any that were so bad that an application of the appropriate
gasket sealer did not address the problem.
__________________
DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES |
Sponsored Links (Register now to hide all advertisements) |
|
06-08-2015, 07:59 AM | #3 |
Senior Member
Join Date: May 2010
Posts: 886
|
Re: Block salvage Corrosion on machine surfaces
Can the block be blasted and filled with j-b weld? the w/p mount surface It may work, as for the oil pump Idler may be a bit questionable, I have repaired Cat Diesel blocks and a few flatheads with the epoxy , I use a specific process for most of the water jacket and some pressure areas, It just depends on the extent of the damage and ability to prep the surfaces for adhesion, I have run an 8.B.A for over 30 plus years with a J.B repaired water jacket.
good luck. Fordestes |
06-08-2015, 09:18 AM | #4 |
Senior Member
Join Date: May 2010
Location: Chester Vt
Posts: 8,855
|
Re: Block salvage Corrosion on machine surfaces
Ditto, works great.
|
06-08-2015, 10:31 AM | #5 |
Senior Member
Join Date: Jul 2013
Location: Sacramento, CA
Posts: 368
|
Re: Block salvage Corrosion on machine surfaces
Likewise, I had a '35 21 stud that had been rebuilt using JB Weld to fill extensive corrosion on the deck surfaces. Ran great; only problem was it tended to run hot under heavy throttle at freeway speeds when climbing a grade, I think because JB Weld doesn't transfer heat as well as metal. Other than that, it was a fine running engine.
|
06-08-2015, 02:12 PM | #6 |
Senior Member
Join Date: May 2010
Location: Wa.
Posts: 5,406
|
Re: Block salvage Corrosion on machine surfaces
Sponsored Links (Register now to hide all advertisements)
|
06-09-2015, 01:47 AM | #7 |
Senior Member
Join Date: Nov 2012
Location: Tauranga, New Zealand
Posts: 726
|
Re: Block salvage Corrosion on machine surfaces
Thank you guys. Can you tell me a bit more about this Pete? I,ve not heard of this before.
|
06-09-2015, 08:51 AM | #8 |
Senior Member
Join Date: May 2010
Posts: 886
|
Re: Block salvage Corrosion on machine surfaces
I do the spray bond from time to time it is a good fix if done properly, I use a powder torch with nickel powder, only problem is with the spray torch build up the block needs to
be heated in an oven, I have used this process on hard to find F.E heads and ancient tractor parts, last time I bought powder is was 100.00 per pound, Pete mentioned wire build up. Pete will you share the how to about the wire process? I never seen it done to cast iron blocks, I used to use a type of mig wire spray on steel shafts. it would be good to know about. |
06-09-2015, 10:38 AM | #9 | |
Senior Member
Join Date: May 2010
Location: Wa.
Posts: 5,406
|
Re: Block salvage Corrosion on machine surfaces
Quote:
https://en.wikipedia.org/wiki/Thermal_spraying |
|
06-09-2015, 11:09 AM | #10 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,744
|
Re: Block salvage Corrosion on machine surfaces
The processes described are probably overkill for the two surfaces you describe. A little bit of jb weld and it'll be fine. Obviously clean it really well first and assemble up with new gaskets and some sort of sealant to give it the best chance.
Mart. |
06-09-2015, 07:44 PM | #11 |
Senior Member
Join Date: May 2010
Posts: 886
|
Re: Block salvage Corrosion on machine surfaces
Thanks Pete,
I didn't realize there are so many methods available to build up quite an array of materials, I am amazed to learn of the plethora of technology we have in this modern world. Fordestes |
Thread Tools | |
Display Modes | |
|
|
Sponsored Links (Register now to hide all advertisements) |
|