i just had a d16A installed in my car and need some questions answered if possible. It did come from japan but i've heard it is similar to the usdm z6. I did some research and found out it is a very rare motor, someone also told me it has higher compression due to slightly bigger pistons? I can also feel the difference, it feels more responsive than the z6. If anyone has any info,specs, etc. please help me out. Thanks for your time and for reading my post.

 

Which D16a?

D16A1 1.6L 16V DOHC PGM-FI 1590 '86-'89 Integra (DA) USDM 113@6250 99@5500 9.5:1
D16A3 1.6L 16V DOHC PGM-FI 1590 '88-'89 Integra (DA) USDM 118@6500 103@5500 9.5:1
D16A6 1.6L 16V SOHC PGM-FI 1590 '88-'91 Civic Si/CRX Si USDM 108@6000 100@5000 9.1:1
D16A6 1.6L 16V SOHC PGM-FI 1590 '89-'91 Civic EX USDM 113@6200 -------- ------
D16A8/9 1.6L 16V DOCH PGM-FI 1595 '88-'91 Civic/CRX Si JDM 137@6800 108@5700 ------

 

it just reads "D16A" its a jdm sohc vtec similar to a z6. i was told they were put in civic coupes from 96-00. it has a "vtec" valve cover as well.