tapped holes in front main cap

Discussion in 'PSI Superchargers Tech Questions' started by SoDak, Aug 23, 2011.

  1. SoDak

    SoDak Active Member

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    Bought a used BBC cast iron Mark IV block and it has 2 tapped holes in the front main cap. If you are looking at the front of the block you can see through the holes, each one is located inbetween the main studs. Have you ever seen this, what are they used for?
     
    #1
    SoDak, Aug 23, 2011
  2. WIZBANG

    WIZBANG Member

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    Summers Brothers gear drive ?
     
    #2
    WIZBANG, Aug 23, 2011
  3. moldenhauerracing

    moldenhauerracing New Member

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    Mounting holes for a windage tray?
     
    #3
    moldenhauerracing, Aug 23, 2011
  4. Blownalky

    Blownalky Top Sportsman

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    Yep, gear Drive.
     
    #4
    Blownalky, Aug 23, 2011
  5. summitcb

    summitcb Member

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    I run the Summers Bros gear drive and we had to tap the front main cap.

    Have been running it for three years, great gear drive no problem with front mains.

    Steve
     
    #5
    summitcb, Aug 23, 2011

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