Best D-Series Engine For Me?

I was woundering which d eries motor would be best for my 1990 honda crx dx?

D15 92 bhp @ 6000 Redline: 6800 rpm 89 lb-ft @ 4500
D16A6 108 bhp @ 6000 Redline: 7100 rpm 100 lb-ft @ 5000
D16ZC~~~137 bhp @ 6800Redline: 7200 rpm 108 lb-ft @ 5700
D16A8~~~
D16A9~~~
D16Z6 125 bhp @ 6600Redline: 7200 rpm 106 lb-ft @ 5200
D16Y8 127 bhp @ 6600 Redline: 7200 rpm 107 lb-ft @ 5500

I DONT KNOW WHICH ONE TO CHOOSE FROM. WHICH IS THE BESY OVERALL MOTOR AND FASTEST TO FIT IN MY REX?

ZC ZC ZC

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7946851614&category=33615

This is the guy that i got mine from and i'm happy with it. DOHC or go home. just my .02

16zc

what about z6?

the z6/y8 has the most hp and parts avalible. don't get a ZC, finding parts suck.

you want more info.....do a search. this subject has been discussed a billion times

z6 or y8 or go B series or down the road you will wish you went bigger.