We are not sure what you mean, but if you want to ask what is better. Cut the into the cylinder head to get a higher compression ratio or try to reach this higher compression ratio by using special racing gaskets?
I will recommend go for a good set of racing gaskets.
ei! guys, wanna need some advice what will i do for my raider 150, what is the best setting.
the cutting of the block or the Zero gasket
i'll waiting for you suggestion,
thanks...
Batotoy
Ahente! ! !