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New head ordered what gasket is needed ?

a3james Apr 18, 2012

  1. a3james

    a3james Member

    ive ordered a amc head for my bkd engine and ive got a choice of three head gaskets being : 1.5mm 1.63 and 1.71 being a new head what gasket would i be best running ?

  2. Viking

    Viking Bloody Viking...

    The thickness of the gasket determines the compression ratio, so your gasket choice is governed by that. If you're after standard compression ratio then there's a calculation based on the protrusion of the pistons above the top of the bores, but that would equate to a genuine OEM head. I've no knowledge of AMC heads and what they're like in comparison to the OEM, so maybe AMC would advise?

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