egflip

So i've read on this forum that 92-93's had only 2 relief cuts for the valves and that 94-95 had 4 relief cuts. But i've also read the complete opposite of that. Which one is true?

94EG8

No one seems to know. And if you check part numbers both the D15B7 and the D15B8 share the same pistons for all years if you go to buy replacement parts. I have seen a couple of pics of D15B8s that only had 2 valve reliefs though so at some point honda was using 2 valve relief pistons. My guess is the early engines.

dmeconitas

My 95 d15b8 had four valve reliefs. I guess the only way you will know for sure if yours has four or not is by removing the head.

24TEN

iTrader: (2)

I have a 94, it had 4 valve reliefs in the pistons. It would make sense that as the years went on that Honda would make the 2 valve relief pistons obsolete to save money resulting in 92-93 having specific 2 valve relief style pistons and 94-95 using standard DX pistons.

Red_ED8

iTrader: (1)

I thinks its more luck of the draw. I have a 94 cx and it has 2 valve relief pistons (noticed it when I changed the head gasket). Only way to really know is to pull the head.