383 Scat crank and Eagle rods

Discussion in 'High Performance Modifications' started by LT1 WS6, Sep 15, 2014.

  1. LT1 WS6

    LT1 WS6 Veteran Member

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    The local CL has a guy selling both a Scat forged 4340 stroker crank and 4340 Eagle 5.7 rods. I'm trying to verify that these parts will work in my LT1. The crank I'm finding is listed as a SBC 1 piece rear main. This should work in my LT1 I believe but I can't find a listing saying it will. The rods I'm actually having a hard time matching the part number exactly. I'm also finding very similar rod number saying they are for 2 piece rear main seal engines. I had no idea the rods were affected by what rear main seal the block was. Can anyone clear this up for me and verify if the parts will work in my LT1?

    Part # off the boxes
    Scat 435050L
    Eagle CRS5700S

    Thanks
     
  2. michael42869

    michael42869 Member

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    LT1 are 2 piece rear main seals and not one piece.
     
  3. jlsug

    jlsug Veteran Member

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    The LT-1 should be 2 piece seal, the lt1 if i remember right it 1 piece. LT-1 was early 1970 camaros and vettes, lt1 was mid 1990s
     
    Last edited: Sep 15, 2014
  4. CorkyE

    CorkyE Veteran Member Lifetime Gold Member

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    Is this a late model LT1? That was a one piece RMS but I'm not sure of the the weights/balance. May try shooting the tech guys at Scat an email.
     
  5. LT1 WS6

    LT1 WS6 Veteran Member

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    My LT1 is a Gen 2 SBC. LT-1 are the vintage, solid lifter gen 1 SBC motors. I believe the new C7 motors are designated LT1 without the hyphen, too. As if there's not enough confusion already.
     
  6. LT1 WS6

    LT1 WS6 Veteran Member

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    Found out that the crank does indeed work with the LT1. Also, that's an old part number for the rods as they are old rods. Look to be from back before the internet was big actually. No worries. Metal doesn't go bad when stored properly. They are indeed new, never installed and are 4340 forged. The Eagle rep said they have been replaced by part number CRS5700S3D
     

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