Head 4G93 to block 4G91

[PEK3442]

Hi all members,
who have worn engine 4G91 but use head 4G93?what the advantage?
engine 4G91 stendet....

---------- Post added at 09:35 PM ---------- 6 hour anti-bump limit - Previous post was at 09:09 PM ----------

anyone kawin block 91 with 93 head???