i have a 1.4 ported polished and gasflowed head. will it fit on my 1.6?
are the valves the same size?

 

I will fit if you have flat top pistons....

But the valves are both smaller, so I doubt its better than a std 1.6 head (flow wise....)

good luck!

 

im sure the heads are smaller adn its the 1.6 adn 1.8 you can swap i may be wrong and it could be the 1.6 and 1.4

 

1.3 and 1.6 have the same bore and interchangebale head. The 1.3 has a smaller exhaust valve and slightly smaller chambers.
1.4 has a smaller bore than these two and in addition has a smaller intake valve. The 1.4 also has the arse-shaped combustion chambers and needs matching pistons or the CR will be miles out.
I wouldn't bother.