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GMC V6 and V12 Engines Engine repair and rebuilding

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  #11  
Old March 10th, 2022, 05:02 PM
James James is offline
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Default Re: Holley Sniper 2300

Quote:
Originally Posted by Prowbar View Post
You're correct regarding the ports. I'm still thinking about the PCV system conversion. On my IMPCO propane mixer air cleaner, I have a way to attach a PCV hose. Now to tap into the engine. Either convert the filter canister on the back of the block or use one of the valve covers. I don't like drilling holes in original parts, possibly a custom oil fill cap with a PCV hose fitting in the center.

What are your thoughts?
I'm thinking something like this:
https://www.summitracing.com/parts/sdk-c8az-6766-b

I don't know it this one will work. I would need to research this. It also seems to me that the later model V6 had this type of cap (or something similar) or maybe it was the Chevy that had it, I don't remember. Maybe someone else in the group know something about this.
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  #12  
Old March 11th, 2022, 08:14 AM
Prowbar Prowbar is offline
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Default Re: Holley Sniper 2300

Quote:
Originally Posted by James View Post
I'm thinking something like this:
https://www.summitracing.com/parts/sdk-c8az-6766-b

I don't know it this one will work. I would need to research this. It also seems to me that the later model V6 had this type of cap (or something similar) or maybe it was the Chevy that had it, I don't remember. Maybe someone else in the group know something about this.
Looks like a nice cap, although not cheap. Wonder if these have a built-in PCV 'regulator' with a ball that controls the stream of gasses. The question section does have some measurements regarding fitment.
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  #13  
Old March 11th, 2022, 01:37 PM
Gwhizzard Gwhizzard is offline
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Default Re: Holley Sniper 2300

I didn't know these had an internal PCV setup. I guess you learn something new everyday. I am just now getting into these old engines and I'm starting to love them and trying to learn more about them. So im watching more then knowing on these engines lol
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