Quote:

Quote:

I have a Sixpack 69 1/2 and the friend of mine got a 70, thats why both are interesting for us. The most important point is: how do they come on a C/R 10.5:1...



69 1/2 is rated 10.2:1,70 is rated 10.5:1.Different pistons with valve reliefs.



where is this information from, do you have pistonpics?

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