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head compression

If the CR is nominally 10:1 then surfacing the head 2mm should produce
11.5:1 assuming the combustion chamber area is 75% of the bore. Seems
like a decent estimate to me.
Little much for the street though.
Dan 

Kervin wrote:
> 
> I'm looking into buying a head from a guy on the vortex (I know I just
> opened bidding hell).  It is a hyd 8v head with 2mm shaved.  With my ABA
> bottom, what do you think the compression will be installed?
> --
> Kervin
> 80 1.7 8v Ole Paul
> 82 1.7 8v The gift
> 86 1.8 8v My everyday ride
> 00 tt600
> icq# 154814286
> 
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