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2.2 turbo piston, compression question
https://www.slantsix.org/forum/viewtopic.php?t=15642
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Author:  valiantboy_66 [ Thu Jan 05, 2006 12:13 am ]
Post subject:  2.2 turbo piston, compression question

Hello everybody,

In Doug's article about the 2.2 piston engine, he used the KB 239 piston with a .045 thick head gasket and the compression ratio was 10.15. I assumed the head and deck clearances were stock. My question is, what would the compression ratio be with a .020 head gasket? I don't have a "Dream Wheel" and I am not sure of the equation on a calculator. Could some one show me the full formula with the factors pluged in?

stock head cc
stock deck heigth
KB 239 piston
3.504 over bore
.020 head gasket


I need a baseline so I know how much the compression ratio will change after I have the machine shop unshroud the Ford valves. Your input will be greatly appreciated.

I hope everyone got some racer parts from Santa this year :D

Author:  Doctor Dodge [ Tue Jan 10, 2006 9:28 pm ]
Post subject: 

http://www.slantsix.org/articles/stroking/worksheet.jpg
You really need to find your actual chamber volumn and deck height to get an accurate compression ratio.
DD

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