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Big Block head gasket decision?

Discussion in 'Turbo Tech Questions' started by 80superbu, Jul 3, 2016.

  1. 80superbu

    Joined:
    Jan 20, 2006
    I know I want to use the MLS gaskets but here is my dilema. Motor is 454 .030. that is 4.280 bore. How much bigger on the bore do I go for the gasket? Motor was said to be 10.4 compression with old gaskets. I sort of remember measuring the thickness at .51 or .54 but the genius that I am tossed the old gaskets before measuring the bore :swear:
    I don't care if it is 10.4 or not, less may be better.

    I would like to order these today so I can have the motor together by next weekend

    Kind of lost right now..help
     
    80superbu, Jul 3, 2016
    #1

  2. 80superbu

    Joined:
    Jan 20, 2006
    Disregard....found the old ones
     
    80superbu, Jul 5, 2016
    #2
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