Is a .040” Over 340 Stroker Kit Available?

Small Block Mopar Engine

  1. scatpackbee

    scatpackbee Well-Known Member

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    Hello fellow FABOers

    Does anyone know if Scat or Eagle offer a stroker kit for a ‘69 340 with a 0.040” overbore?

    I’ve searched on-line but have only seen kits with 0.030” overbore pistons.

    Thank you!
     
  2. 64mopar

    64mopar Well-Known Member

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    Yes.
    Talk directly to Scat.
     
  3. K.O. SWINGER

    K.O. SWINGER Meeting in the alley since 1976

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    Mancini racing advertises a 418 stroker kit
     
  4. toolmanmike

    toolmanmike Moderator Staff Member FABO Gold Member

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    .030 over already and you think .010 will clean it up? Just curious.
     
  5. scatpackbee

    scatpackbee Well-Known Member

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    No, I’m at 0.040 right now.
     
  6. toolmanmike

    toolmanmike Moderator Staff Member FABO Gold Member

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    Freshly bored?
     
  7. scatpackbee

    scatpackbee Well-Known Member

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    No, the engine has very low miles at 0.040.

    I was possibly thinking of freshening it up and adding the stroker kit if the cylinder wall to piston clearance with the new pistons is within spec.
     
  8. chrgdrt

    chrgdrt Well-Known Member

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    • dodgedifferent2

      dodgedifferent2 Well-Known Member

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      • Krooser

        Krooser Reform School Graduate

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        Buy your parts seperately... you can buy what you want and save money.

        You only need pistons and a crank. You can use your 340 rods as they are very tough... better than Chi-Com IMHO. Stay away from Eagle... their machining and tolerances are lacking compared to Molnar and Scat. Don't be afraid of buying good used parts. I'm using the Mopar billet crank from my engine that blew up years ago. Welded the front rod journal and ground the others to match ($175.00). I bought lightly used $1800.00 Crower rods for $500.00. I did but new RaceTec pistons that ran $990.00 but I always buy the best I can afford.

        Just added a $150.00 340 block to my stock, too.
         
      • scatpackbee

        scatpackbee Well-Known Member

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        Thank you for the great advice!
         
      • B3422w5

        B3422w5 Well-Known Member

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        I have 40 over stroker kit in mine. People make kits for this.
        Scat rods and forged crank, icon forged flattops
         
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        • B3422w5

          B3422w5 Well-Known Member

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          Try CNC motorsports
           
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          • 64mopar

            64mopar Well-Known Member

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            I just ordered .030 kit from Cleggs,best price I could find.
             
          • scatpackbee

            scatpackbee Well-Known Member

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            Thanks for the info!
             
          • B3422w5

            B3422w5 Well-Known Member

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            Make sure you compare actual parts when shopping. Who’s pistons are used, what rod bolts, etc.
            H beam or I beam rods, etc, etc.
             
          • 70aarcuda

            70aarcuda Master Hoader of SBM FABO Gold Member

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          • K.O. SWINGER

            K.O. SWINGER Meeting in the alley since 1976

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            Yes actually there's quite a few of them out there as you see.
             
          • CRUZE 418

            CRUZE 418 FABO Gold Member FABO Gold Member

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            I got my kit from Mike at B3 Racing. Molnar crank, rods and Icon pistons. 040 over. My engine was a fairly fresh overhaul, it was the valve train that was destroyed. Honed cyls about .002 or so and ran it. 418
             
          • scatpackbee

            scatpackbee Well-Known Member

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            That’s what I’m hoping to get away with, a light honing.

            Thanks for letting me know your experience.
             
            Last edited: Sep 24, 2021
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