Originally Posted by Kai
No, it's designed off the 84-87 Civic body. The 90-93 Integra is based on the 88-91 Civic.The 86-89 Integra is not even close to the 86-89 Accord.
Um... You're wrong... The transmissions are identical. So, yes, with a set of custom mounts, you should be able to swap the A20 in, or the A18. Of course, they use a SOHC head, and a cast iron block. So you would get more torque, maybe a little more power, but it would be at the expense of weight. Cool idea though... I wish there was a DOHC head available for the A series engines...