Help Identifying a Part

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May 1, 2024 | 01:47 PM

lothian1

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Intermediate

Joined: Jun 2021

Posts: 40

Likes: 6

Help Identifying a Part

'69 C3 350-4sp w/~15k miles on swapped 350.crate

I'm in the process of replacing the oil pan gasket to remedy an oil weep at the front of the junction.
I removed the oil pan and existing gasket and discovered this plastic thing behind the harmonic balancer with an obvious fracture. Guessing this is the source of the oil weepage.

Do you recognize this part:

Why on earth... 1) is there a plastic part in this area? ...that 2) serves as a critical mating surface..?
Also... bracing myself here... what is the removal/replacement procedure for this thing? Points if you reply with a link on RockAuto to a METAL replacement part!

Last edited by lothian1; May 1, 2024 at 01:56 PM.

May 1, 2024 | 02:19 PM

Mooser

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Joined: Apr 2011

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From: North of Toronto - Ontario

Is that not just the lower timing cover gasket for a normal 4 piece pan gasket?
M

May 1, 2024 | 03:57 PM

lothian1

Thread Starter

Intermediate

Joined: Jun 2021

Posts: 40

Likes: 6

After some cursory research, it may be what i initially suspected: a plastic timing cover. Looks like a two hour job just became a weekend activity.

May 1, 2024 | 04:00 PM

Mooser

Race Director

Joined: Apr 2011

Posts: 11,183

Likes: 3,335

From: North of Toronto - Ontario

I missed that date stamp on the block.... Plastic fantastic

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