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HH zylinderkopf tuning - english help!

hello

with google translate

3 mm longer and shorter since no problem

which can be offset on the adjustment of the rocker arm

Mfg Kai



8volly
  • Themenstarter
8volly's

Danke kai!

So, my HH motor & zylinderkopf is now taken apart, but i need to calculate how much material to remove from the block/head to get a decent compression ratio... Kai has mentioned 3mm removed from the block? can anyone confirm this?

Does anyone know the distance between the top of the piston and the top of the block when the piston is at TDC? and also the combustion chamber volume in cc's?

Thanks again!


gelöschtes Mitglied

    then you need a timingbelt with 107 tooth



    8volly
    • Themenstarter
    8volly's

    Sie haben eine Teilenummer für diese? oder welches Auto ist von ihm?


    gelöschtes Mitglied

      Lancia Gamma Coupe 16V
      oder[Dieser Link ist nur für Mitglieder sichtbar



    • 8volly
      • Themenstarter
      8volly's

      Ok so, if my calculations are correct..

      Using a metal AEX headgasket of 0,5mm
      reducing the 'compression height' (piston clearance) by 2,3mm, to have 1,6mm compression height
      and keeping the 20cc combustion chamber volume in the head i have worked it out to be around 11,95:1 compression ratio... I think that is high enough großes Grinsen
      Could somebody confirm this is correct?

      Danke!


      8volly
      • Themenstarter
      8volly's

      Anyone?

      Danke


      Hi,

      That would work .
      You need an adjustable timingbeltwheel.
      An the timing belt from the Lancia gamma 2500, it has got 1 tooth lees, perhaps the original one is to long.


      8volly
      • Themenstarter
      8volly's

      Thanks gott.

      So, with a compression height (piston to TDC clearance) of 1,6mm will the valves still be clear of hitting the pistons, with a standard HH camshaft? Thanks



      Hello

      No

      the valves do not meet the butt

      the valves ersr stand out in a significant hub on the head

      combustion chamber head

      with google translate

      Mfg Kai


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