A couple engine questions
Thread Starter
Instructor
Joined: Feb 2018
Posts: 107
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From: Janesville WI
A couple engine questions
Hey y'all,
I had a fun experience the other day when my '76 decided to leave half of it's oil capacity on the interstate shoulder
. From what I can tell, it all came out of that empty hole in the LS valve cover. I think that's supposed to be the PCV valve, correct? If so, what would cause it to blow out like that...? I've also attached a couple pictures of the casting numbers to see if y'all can help me identify the engine so I can get the right replacement part. the 3970100 casting number makes it seem like it could be the original block, but I'm not sure. Thanks ahead of time for all of the help!!
I had a fun experience the other day when my '76 decided to leave half of it's oil capacity on the interstate shoulder
. From what I can tell, it all came out of that empty hole in the LS valve cover. I think that's supposed to be the PCV valve, correct? If so, what would cause it to blow out like that...? I've also attached a couple pictures of the casting numbers to see if y'all can help me identify the engine so I can get the right replacement part. the 3970100 casting number makes it seem like it could be the original block, but I'm not sure. Thanks ahead of time for all of the help!!
Last edited by drewwill; May 25, 2018 at 10:23 AM. Reason: Pictures were upside down
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St. Jude Donor '05
Std part number for a 350....believe GMPP still sells blocks. Why not upgrade to a roller block with the 1 pc rear seal?Sucks but nothing lasts forever. Consider putting a fan shroud on there, makes a big difference.
Last edited by cv67; May 25, 2018 at 10:58 AM.
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'76 decided to leave half of it's oil capacity on the interstate shoulder . From what I can tell, it all came out of that empty hole in the LS valve cover.
Need more info. BTW, lose that death fan.
Thread Starter
Instructor
Joined: Feb 2018
Posts: 107
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From: Janesville WI
I was thinking the same thing. Can't find anything else so far, but it's gotta be related to it blowing the valve out, right?
Also, death fan?
Thread Starter
Instructor
Joined: Feb 2018
Posts: 107
Likes: 20
From: Janesville WI
Thread Starter
Instructor
Joined: Feb 2018
Posts: 107
Likes: 20
From: Janesville WI
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Thread Starter
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From: Janesville WI
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Any loud noises when the oil started leaking. something shot through the pan, I would think it made a lot of noise.