Repairable head? Crack between coolant passages
https://cimg1.ibsrv.net/gimg/honda-t...872527823.jpeg I pulled this gsr head from a swap I purchased and noticed that is a hairline crack between two coolant passages. It was assembled by a shop so I’m surprised (kinda) that they didn’t tell the guy his head was cracked. Long story short is the head repairable or do I really need to worry about it. I was thinking the repair would be easy to drop a few beads across the crack then get the head milled. I don’t think the hairline crack would really matter and unless you overheat the head it shouldn’t get worse but that’s a complete guess. I never ran a head with a hairline crack like that. Curious to see if anyone ever ran a head with a small crack like this. Thanks for any suggestions or advice. |
Re: Repairable head? Crack between coolant passages
I'm no pro but my logic seems to fit yours.
Knowing me, If the head was flat, I would just run it. The crack can't grow into any critical areas as far as I can tell. Will just open up the passage more to the water jacket is my thinking. But, once again, I'm no pro, so could be horribly mistaken. |
Re: Repairable head? Crack between coolant passages
Talk to an automotive machine shop and see what they think. I would say it's easily repaired.
Whoever decked the head the last time did a shitty job and needs to change their tooling. Looks like they ran a grinder over it to clean it up. |
Re: Repairable head? Crack between coolant passages
That can def be welded. And welding there wouldn't worry my paranoia at all.
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Re: Repairable head? Crack between coolant passages
yeah it can/should be fixed. Drill a small hole on either end of the crack then use a dremel to grind the crack away. Tig weld then get resurfaced
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Re: Repairable head? Crack between coolant passages
Thanks for the advice Punkaddic. Ill hopefully get this issue fixed in the next couple weeks and get back to the thread.
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