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Looking for size (cc) of 2.2 - 2.7 heads
I am trying to calculate out compression ratio for a set of pistons that I am ordering. Trying to figure out how much cc's I should build up in the dome to accomplish my target.
What I am in need of is if anyone has a value of the cc's of a 2.2 - 2.7L head. Mine will be twin plugged, so I am not sure if that adds or subtracts from the overall cc's since there is a pocket for the extra plug, but the spark plug ends up protruding into the cylinder. Also, I know I can look this up somewhere, but what is my target deck height for the piston. Thanks Ed |
Hi Ed... I'm in the middle of the same exercise building my 2.5SS motor. According to Henry, a 2.7 head is 69cc. I just measured mine and I got just under 69cc. Twin plug would add a tiny bit.
1mm seems to be the target deck height. I've seen others go down to .75mm to increase CR and up to 1.25mm to decrease it. Hope this helps. |
Thanks. That helps. Do you also happen to know block height.
This is the dimension from the centerline of the crank to the top of the cylinder. Thanks Ed |
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