300 efi lower intake ear broken

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Sep 23, 2023 | 06:50 PM

Csquared123

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4th Gear

Joined: Sep 2023

Posts: 4

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300 efi lower intake ear broken

I have driven quite a distance to try and locate a lower intake but they have all turned up cracked or broken just like mine. How important is that ear that breaks off? (closest to the firewall). Will I have a horrible intake leak leading to lean running issues? I'd be willing to drop 3-400 bucks on a manifold with a better design but I seems like they do not exist.

I hate to have my first post on something so commonly discussed but I have not found the answer to my question in any of the threads about the intake.

Sep 23, 2023 | 07:15 PM

john jamieson

Cargo Master

Joined: Jul 2015

Posts: 2,068

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From: tucson

Do you have the broken piece? It could be welded back on. Aftermarket intakes are getting crazy expensive.

Sep 25, 2023 | 09:07 AM

The Frenchtown Flyer

Fleet Mechanic

Joined: Nov 2002

Posts: 1,643

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I have welded on a few and even fabrcated an ear from plate if there was no piece available. I would not recommend running without any of the tabs.
It helps to use studs and/or retainer tabs to install without breakage.

Sep 28, 2023 | 11:51 AM

AbandonedBronco

Moderator

Joined: Dec 2007

Posts: 7,987

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From: Boise, Idaho

It sounds like you're EFI, so no, there aren't any aftermarket intakes unless you're wanting to go to a carburetor.

I had a few tabs break on an older aftermarket carburetor Offenhauser intake, and a machine shop was able to just weld it all back up. It usually wasn't all that expensive.
As FTF mentioned, you can always just weld on a block of aluminum and make your own tab.

You definitely want it to seal.