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4032 pistons and cylinder bore

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  • #31
    Originally posted by A80Avant View Post
    It's a stroker with 95.5 crank so I cant use original pistons. ( I would on a heartbeat if I could!)
    You could if you used the tall block
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    1991 Audi S2 3B - 2.5 Stroker engine
    1997 A6 2.5TDi quattro avant - C4
    1976 RD250E / 350LC cafe racer

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    • #32
      Originally posted by AndyP View Post

      You could if you used the tall block
      And 155mm rods.

      Audi UrS4 Avant 2.5 20vt - twincharged - Project
      Audi 80q B4 Sedan 2.2 20vt - Daily user
      BMW 320d Touring e91 M-Sport - Daily user
      BMW 740iA e38 - Project

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      • #33
        Andy isnt the diesel block already of a larger than 81.5mm bore? I was under the impression that all strokers used aftermarket pistons anyway.

        My other issue was that I already use a Wagner manifold with the phenolic spacer and there is no way this setup would fit under the bonnet. I would therefore have to buy new pistons,new rods, and inlet manifold perhaps the BST one which seems shorter.

        Perhaps I might in the future if I havent sold everything.

        The aim with this motor is the best power figure with the least 'likeable' lag. Given that my 3071gen2 is something I currently enjoy and it runs out of juice before 7000rpm I didn't mind building the stroker this way as it wont be a rev monster.

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