LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LT1 Rear Main Seal

Old Mar 28, 2005 | 04:17 PM
  #1  
Hawk350's Avatar
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LT1 Rear Main Seal

Okay, got the seal kit, came in three parts. I have the two figured out but the oval gasket has me scratching my head. I have the crank seal, the half-seal that goes above he crank...what is the bottom seal when the oil pan is supposted to look like? Mine is round...
Old Mar 29, 2005 | 07:35 PM
  #2  
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Re: LT1 Rear Main Seal

hmmm, not exactly sure what you're talking about for the 3rd piece. I can only remember two pieces. the paper half moon gasket is for the housing bolting to the block. if you don't remove the housing, you don't need it. there is the RMS itself, just pop it out and put in a new one.
In fact, when we (myself, and engine builder) rebuilt the 'birds engine we didn't even use the paper gasket. Just RTV between the housing and the block.

Originally Posted by Hawk350
Okay, got the seal kit, came in three parts. I have the two figured out but the oval gasket has me scratching my head. I have the crank seal, the half-seal that goes above he crank...what is the bottom seal when the oil pan is supposted to look like? Mine is round...
Old Mar 29, 2005 | 08:40 PM
  #3  
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Re: LT1 Rear Main Seal

i got a second gasket with my kit also it was round with about eight bolt holes in it. i threw it away
Old Mar 29, 2005 | 09:35 PM
  #4  
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Re: LT1 Rear Main Seal

yup, thats the one...
Old Mar 29, 2005 | 09:40 PM
  #5  
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Re: LT1 Rear Main Seal

Also threw that third peice away. Couldnot figure out what it was for.
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