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felpro offers two different kind of 1 peace rear main seals

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Old Feb 18, 2012 | 11:28 PM
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supamaro383's Avatar
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felpro offers two different kind of 1 peace rear main seals

felpro offers two different kind of 1 peace rear main seals one from 86-97 and the other 96-02........does anyone know what the differences is? I have a 96 block and can't figure which one to get . Thanks in advance
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Old Feb 18, 2012 | 11:29 PM
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Car: 92 RS
Engine: 383 FIRST TPI OBDII DBW
Transmission: T-56
Axle/Gears: 3.73 POSI DISK
Re: felpro offers two different kind of 1 peace rear main seals

it is a vortec block
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Old Feb 18, 2012 | 11:51 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: felpro offers two different kind of 1 peace rear main seals

No such thing as a vortec block, only vortec heads.

What are the part numbers for the two seals?

Last edited by Apeiron; Feb 18, 2012 at 11:54 PM.
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Old Feb 19, 2012 | 12:57 AM
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Car: 92 RS
Engine: 383 FIRST TPI OBDII DBW
Transmission: T-56
Axle/Gears: 3.73 POSI DISK
Re: felpro offers two different kind of 1 peace rear main seals

Qbs40420 & Qbs40656
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Old Feb 19, 2012 | 01:07 AM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: felpro offers two different kind of 1 peace rear main seals

Was it 40420, or 40520?
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Old Feb 19, 2012 | 02:32 AM
  #6  
supamaro383's Avatar
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From: OAKLAND, CA.
Car: 92 RS
Engine: 383 FIRST TPI OBDII DBW
Transmission: T-56
Axle/Gears: 3.73 POSI DISK
Re: felpro offers two different kind of 1 peace rear main seals

Originally Posted by Apeiron
Was it 40420, or 40520?
Ya sorry those two #s what are the difference between those two
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