Originally Posted by
cjwood555
The heads aren't the same - the combustion chamber volume is smaller in the 1.8, which gives you a higher compression ratio when mated to a 2.0 block. At least this is what I was told by Chris Todd caused issues with 'Trev's supercharged 5-door @ TOTD.
Cheers,
Chris
Do you think its better to get the 2.0 head then as well? Thanks