150 head on 175 conversion

[brianc]

hi,what mods are required to a 150 cylinder head for a 175 conversion,
brian.

[Adam_Winstone]

Diameter needs to be taken out to 63mm, following the profile of the new piston, then you really need to address the combustion chamber size to give a suitable compression ratio.

Bearing in mind that these are dirt cheap off places like AF, most people just buy new... although you really should check compression ratios anyway!

Adam