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Intake manifold temperature

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Old Feb 1, 2025 | 01:39 PM
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Default Intake manifold temperature

Does anyone know what maximum temperature the top of the fuelie intake base-plate might reach?

Thanks,

Mike
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Old Feb 1, 2025 | 03:03 PM
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Short answer: No. I don't know.

Somewhat longer: I would expect the temperature to be somewhat higher than coolant temperature because of hot oil splash on the bottom side of the plate.

Are you having fuel perc problems?
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Old Feb 1, 2025 | 06:25 PM
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Originally Posted by jim lockwood
Short answer: No. I don't know.

Somewhat longer: I would expect the temperature to be somewhat higher than coolant temperature because of hot oil splash on the bottom side of the plate.

Are you having fuel perc problems?
No, I’m trying to select a nylon filament for 3d printing a device for use in the area between the plenum and base plate. I’d instrument my car and go for ride, but its snowing and 18 degrees here.

Mike
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Old Feb 1, 2025 | 07:08 PM
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Originally Posted by Vettrocious
No, I’m trying to select a nylon filament for 3d printing a device for use in the area between the plenum and base plate. I’d instrument my car and go for ride, but its snowing and 18 degrees here.

Mike
Perfect environment to avoid fuel perc!

OK, all seriousness aside, the CF member who can actually help you is Charles Bernhart. He has done a lot of 3D printing and he has discovered the temperature limits of readily available filaments. Reach out to him.


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Old Feb 1, 2025 | 08:26 PM
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Thanks Jim. I think you’ll be interested in what I’m doing. I’ll bring it here when I get a bit farther along.
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Old Feb 2, 2025 | 12:08 AM
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Following
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Old Feb 2, 2025 | 06:54 AM
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Originally Posted by Vettrocious
Thanks Jim. I think you’ll be interested in what I’m doing. I’ll bring it here when I get a bit farther along.
You've certainly got my curiosity up!
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Old Feb 20, 2025 | 10:33 AM
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Default Thanks for the help.

Yep. I was talking about the rear coolant passages. It makes sense to have ambidextrous heads. I ask because I'm going through my engine and want to pick up a new intake, my old one is showing her age,,, like me. I believe I saw a few choices with provisions for rear crossover for coolant. I recently retired and finally have time to do some research. Thanks!
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Old Feb 20, 2025 | 10:53 AM
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I think the above poster may have the wrong thread.

In any case, this is a good time for an update: it appears that I’d have to get a much better 3d printer to work with nylon, so that method is on hold for now.

I’ve been told my new raw materials for this project have arrived at my Michigan home.
I won’t be in Michigan until Saturday to check them out, but we have progress!
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Old Feb 20, 2025 | 10:53 AM
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Originally Posted by ThePabst
Yep. I was talking about the rear coolant passages. It makes sense to have ambidextrous heads. I ask because I'm going through my engine and want to pick up a new intake, my old one is showing her age,,, like me. I believe I saw a few choices with provisions for rear crossover for coolant. I recently retired and finally have time to do some research. Thanks!
Any chance you responded to the wrong thread?
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Old Feb 20, 2025 | 10:56 PM
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Originally Posted by Vettrocious
I think the above poster may have the wrong thread.
Originally Posted by jim lockwood
Any chance you responded to the wrong thread?
Yep - from the C3 Tech/Performance forum:
Originally Posted by ThePabst
Hi all,,, question: On my 78 L82 smogger, why did GM delete the rear coolant passage in the intake manifold between right and left sides, but kept the ports on the heads?
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Old Feb 21, 2025 | 09:10 AM
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Originally Posted by jim lockwood
Any chance you responded to the wrong thread?
Oops, looks like I did have the wrong thread.... Take care all!
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Old Feb 22, 2025 | 12:33 AM
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Another victim of the scroll past the bottom. Lol
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Old Feb 22, 2025 | 06:53 AM
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While we wait for the update...

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