...well, mini Shetland at least!
We´re building a race spec Fiat 1300cc engine and have just finished porting the cylinder head.
Rather than just throwing a file around and hoping for the best we have carefully removed obstructions and re-shaped the ports from their original cast profile to one optimised for gas flow and reduced turbulence, right through from matched ports to the valves and seats.
Fiat cylinder head, ported for improved gas flow - ENLARGE »
Ported cylinder head close-up - ENLARGE »
The finished ported cylinder head fitted with twin 40 dellorto carbs - which is nice... - ENLARGE »