13:1 compression

Discussion in 'Manton Push Rods Top Alcohol Tech Questions' started by blownapex, Nov 2, 2017.

  1. blownapex

    blownapex Member

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    what piston/rod length to get to aprox 13:1
    96 cc s600 noonan heads
    .100 tall bae block
    4.467x 4.150
    .070 head gasket
    looks like i will need a total of 89cc poured total=13:1

    im doing a 75%od c screw low od low boost class

    what compression is the nhra roots combo now . that maybe what i need

    everything i have now is 10.6:1 111cc total poured and lengthening rod isnt enough with my current
    piston need .120 taller rod but can only lengthen rod .040 (im .055 below now)

    thanks
     
    #1
  2. MKR-588

    MKR-588 Member

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    With piston .015"down, .070" head gasket, 96cc chamber, a 30cc dome gives you 13:1
     
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  3. atelier HP Rich

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    we have a couple of those pistons if you need them
     
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