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D16A6 Piston in D16A9

Discussion in 'Engine Building' started by redpunk, Feb 4, 2009.

  1. redpunk

    redpunk New Member

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    Hi guys,

    I have a D16A6 piston that I bought it for a good price.

    Can I use this on my D16A9?

    Please let me know.

    Thanks
     
  2. jlicrx

    jlicrx Senior Member

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    you could use D16A6 pistons in a D16A9, however, the are not the same - the PM6 piston from the D16A6 is a dished piston and the PM7/P29 piston from the D16A9 is a domed piston - putting the D16A6 pistons in a D16A9 will lower the compression ratio to 8.25:1

    this is a D16A6 piston:

    [​IMG]

    this is a D16A9 piston:

    [​IMG]
     
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  3. Accipiter

    Accipiter New Member

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    If this D16A6 piston lowers compression to 8.25:1 when use in the D16A9, Can i use them for a D16A9 turbo?, i will like to use Vitara pistons but they lower compression to 6.55:1 and that´s too low. Im trying to reach 230 - 250 whp, i will use Eagle forged Rods, but im trying no to use forged pistons because of the price..

    Sorry for my English im from SOuth America

    Thanks for your help
     
  4. INJEN78

    INJEN78 HS LEGEND

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    yes you can use them for turbo..it would work out best..
    how much for you d16a9 pistons?
     
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