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gouge on head sealing surface

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Old Jul 3, 2008 | 09:39 PM
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Default gouge on head sealing surface
I am about to install some patriot stg 2 ls6 heads but noticed that there is a gouge on the top sealing surface to the valve cover. It is on the high side of the head and shouldnt see alot of oil but was wondering if you guys think i should just use a silicon or high temp rtv or something like jb weld to fill in the gouge.I am concerned that if the jb weld ever gave way something bad would happen but am not sure if rtv will seal properly. Thanks for any tips.
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Old Jul 3, 2008 | 09:47 PM
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you're probably fine with just the rtv. I seriously hope that you never get enough oil up in the heads to make it to the level of the valvecovers (besides normal spray)!
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Old Jul 4, 2008 | 09:57 AM
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I am concerned about the spray, i was thinking about forming some rtv in the gouge, letting it dry and then putting the valve covers on. Hopefuly i will not have a leak. The gouge is pretty deep...
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Old Jul 4, 2008 | 10:17 AM
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That will work just fine
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Old Jul 4, 2008 | 10:47 AM
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RTV and forget about it.
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Old Jul 4, 2008 | 11:05 AM
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how big a gouge? post a pic if you can. Most likely it wont be an issue the gasket is pretty good about sealing if you dont get it twisted..lol
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Old Jul 4, 2008 | 11:35 AM
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If PTV isnt an issue, mill the heads till the gouge goes away!!!
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Old Jul 4, 2008 | 11:44 AM
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Originally Posted by moeZ28
If PTV isnt an issue, mill the heads till the gouge goes away!!!
Cant mill the valve cover sealing surface
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Old Jul 4, 2008 | 12:15 PM
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use devcon putty to fill it Just make sure its sanded to where you want it before it fully cures.
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Old Jul 4, 2008 | 10:03 PM
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Originally Posted by beedo
Cant mill the valve cover sealing surface
Oh ****...gotta quit talking to people and reading at the same time...jeez!

You can use some gasket maker or silicone. I had to use some on my old car and the grey gasket maker worked great!
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Old Jul 5, 2008 | 01:52 PM
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Show us a picture of it. You could have it welded then grind flush
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Old Jul 5, 2008 | 03:24 PM
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Here is a pic, my camara is not the best or nor am i taking pics
Attached Thumbnails gouge on head sealing surface-img_0640.jpg  
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Old Jul 5, 2008 | 10:21 PM
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If you want to do it right take it to a reputable machinist and then just have him use an end-mill and go around the whole top of the head taking the material down 'til it's completely smooth.
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