Small block valve cover shims?

Small Block Mopar Engine

  1. couper 340

    couper 340 FABO Gold Member FABO Gold Member

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    looking to use a set 3/8 or 1/2'' small block la valve cover shims for clearance issues with my intake.
     
    Last edited by a moderator: Apr 7, 2021
  2. oldkimmer

    oldkimmer FABO Gold Member FABO Gold Member

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    Got a pic? The factory 1s? 10? Kim
     
  3. couper 340

    couper 340 FABO Gold Member FABO Gold Member

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    i put shims they are spacers Resized_20210405_163008(1).jpeg
     
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    • Demonracer

      Demonracer 71 Demon 00 Ram 16 Chrysler 300S 05 Caravan FABO Gold Member

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      If you need those, you're running a much bigger cam & roller rockers than I am on my bracket car & I don't need any spacers. I'm running a Comp .690 intake, .660 exhaust & Harlan Sharp roller lifters.
       
    • couper 340

      couper 340 FABO Gold Member FABO Gold Member

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      I need them to clear the intake
       
    • 80fbody

      80fbody Well-Known Member

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      Grind the intake or covers. Spacers blow. Only use as last resort in my opinion. Just another item to leak. Very common for the mopar covers to hit the intake runner and need a little massaging.
       
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      • couper 340

        couper 340 FABO Gold Member FABO Gold Member

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        yeah had that happen before and cut the intake was looking for a way around it
         
      • couper 340

        couper 340 FABO Gold Member FABO Gold Member

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        yeah you wright i don't have it bolted on so cheaper cut it .
         
      • GTX JOHN

        GTX JOHN Well-Known Member

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        He is absolutely correct = Cut the manifold!
         
      • mbaird

        mbaird mbaird

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        You must be running tall valve covers .
        My HS adjusters would hit the baffles on DC chrome covers even using thick gaskets . .648 lift and 1.6 rockers.
         
      • volaredon

        volaredon Well-Known Member

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        I just bought a set of those spacers for the 360 magnum in my Durango as I'm not spending $249 for alum valve covers so i can put my1.7 rockers onto it. Bought from same guy you show the ebay ad from
         
      • 12many

        12many Well-Known Member

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        Just double up whatever valve cover gaskets you’re using. I needed a small amount of baffle to rocker adjuster clearance on my Moroso alloy covers. Threw on a set of the black rubber/fiber Felpros (that most hate) along with the Mr Gasket Ultra Seals. Got the clearance needed and have no leak issues. If you’re worried about another joint possibly leaking just wipe on a thin skim coat of ultra black between the two gaskets and lightly/evenly compress till cured then bolt things up like normal. Might be all you need for intake clearance?
         
        Last edited: Apr 7, 2021
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        • pittsburghracer

          pittsburghracer Well-Known Member

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