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Daveman
Re: Fitting thicker head gasket to drop comp for turbo A12.
#1
Home away from home
Joined:
2003/5/19 9:55
From Melbourne
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Posts: 785
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You've gone and made me pull out my calculator again!

Using a bore of 73mm. 1mm of height added to the clearance volume adds 4.185cc. Starting with a clearance volume of 37.5cc for your 9:1 comp ratio. Add the extra clearance volume then re-calculate comp ratio. It comes out to be 8.2:1 and then with a 2mm increase it's down to 7.54:1 etc.


Posted on: 2007/6/29 7:41
Transfer the post to other applications Transfer

Subject Poster Date
     Fitting thicker head gasket to drop comp for turbo A12. 1200GXman 2007/6/29 7:18
       Re: Fitting thicker head gasket to drop comp for turbo A12. Tyrie 2007/6/29 7:22
         Re: Fitting thicker head gasket to drop comp for turbo A12. Daveman 2007/6/29 7:41
           Re: Fitting thicker head gasket to drop comp for turbo A12. 1200GXman 2007/6/29 7:49




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