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11-24-2017, 03:19 PM
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#1 |
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Registered User
Join Date: Apr 2017
Location: Hillsboro, OR
Posts: 80
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Rebuild by LS Newbie.
Hey guys, got another LS question. While tearing down the 5.3 that will reside in my C10 SWB clone. I noticed oil on a couple of the exhaust manifold bolts. One on each side. Are the bolt holes open to the oil channels? Do I need to be sure they are sealed properly when I reinstall the exhaust?
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11-24-2017, 03:31 PM
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#2 |
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Post Whore
  
Join Date: May 2015
Location: Alabama
Posts: 14,670
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Re: Rebuild by LS Newbie.
I've pulled several sets of manifolds off and have never seen oil on the bolts ..
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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11-24-2017, 04:59 PM
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#3 |
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meowMEOWmeowMEOW
Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
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Re: Rebuild by LS Newbie.
Your valvecover gaskets are leaking, more than likely. Take a look at the heads and see if you can follow a discolored area back up to the valvecover or the bolts that hold it down. Nothing on the exhaust manifold bolts touches an oil passage.
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING  |
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11-24-2017, 05:52 PM
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#4 |
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Registered User
Join Date: Apr 2017
Location: Hillsboro, OR
Posts: 80
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Re: Rebuild by LS Newbie.
PO cleaned off the motor somewhat so it may of been that.
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