Offset bush them, you could
 

Offset bush them, you could have them be stock length or less then.

nice idea...though i'm not
 

nice idea...
though i'm not sure how well that will tide with such small working dimensions...
i mean...we are talking about a 21mm hole being reduced to 19mm
i'll have to find some shops that can do the work
time to see what 'cleveland' can do

oh and i got the b16 compression down to 10:6x:1 with a y8/z6 gasket instead of the cometic...
so i'm not too worried about compression...
i saw my first 13:1 compression honda which makes me wonder about going back to that idea while i build my bottom end...lol
giggity giggity

click here

I bought a d15z1 and d15b8 this week. Both motors are partially disassembled. I was considering running the flt top 4 valve relief d15b8 pistons in my d15z1 to increase compression ratio but 13 is way high. I would like to increase my compression ratio from the 9.3 to 10-10.5 area. Any cost effective recommendations?

Can you get to the higher compression ratio just by shaving the head, and maybe by using a thinner head gasket?