I have a late (71/72) GT6 MkIII, USA spec, and I want to reprofile the head
a. What Compression Ratio should I aim for and what combustion chamber
height would I need to skim down to in order to get it.
b. I've heard that it's worthwhile gas flowing the inlet ports, I need to
do this anyway to match up with the inlet manifold, but I've read it's also
beneficial to take away some material from the valve throat areas - how do
I do this and how much from where
c. I want to fit new carbs (after consultation with some of you on the
list) - what should I go for - stock 150, 175s, or what - I don't want to
have to remodel my bonnet.
Thanks
Peter McBride
1971 GT6 MkIII (nearly on the road)
!976 Spitfire 1500 (in bits under a tarp !!!!!)
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