Rear Main Seal 1984 305 ci

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08-29-2022, 11:01 AM

72buickgs

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Car: 1984 Trans AM

Engine: 305

Transmission: 700-4r

Axle/Gears: 3.23

Rear Main Seal 1984 305 ci

Is there a simple method to determine whether my engine has a one piece or 2 piece rear main seal? Is it determined by year?

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08-29-2022, 11:12 AM

Tuned Performance

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Car: 1967 Camaro, 91 z28

Engine: Lb9

Transmission: M20

Axle/Gears: J65 pbr on stock posi 10bolt

Re: Rear Main Seal 1984 305 ci

If it’s a 84 block it’s 2 piece

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08-29-2022, 12:08 PM

ironwill

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Car: 1986 IROC Z

Engine: 5.0 TPI

Transmission: 700R4

Axle/Gears: 3.23 Posi

Re: Rear Main Seal 1984 305 ci

Quote:

Originally Posted by 72buickgs

Is it determined by year?

Yes.

Quote:

Originally Posted by Tuned Performance

If it’s a 84 block it’s 2 piece

^^^^This.

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