I know the 92/93 Integras make 10 hp more than the 91. Anyone know what the difference in the engine is?

 

90-91 130hp and 92-93 140hp. i'm pretty sure its the cams. A little higher profile cams.

 

cams, Intake manifold . mainly the ecu.

 

Anyone have the specs on the cams or know where to get them? What's the difference in the ECU?

 

Did a little searching, didn't find specs but I guess my 91 is obd0 and the 92/93 is obd1. Can't really say I feel like switching over, I've got an aftermarket intake manifold, so all that's left are the cams. I was thinking of going aftermarket but would throw in 93s for a little upgrade if I can find them cheap enough. Might even have some laying around but I still would need to know the lift so I could measure them. Any other way of telling the difference between the different year cams?

 

cams are a little more agresive than the obdo 90-91.

 

I have a 90 b18a and a 1992 with 254k on it can it swap the the 92 out and put the 90 in??? What do I have to change???

 

these are the camshaft lobe heights listed in the Helm manuals:
B18A1 (90-91)

Camshaft specs:
IN: 1.3160
EX: 1.3083

B18A1 (92-93) B18B1 (94-95)

Camshaft specs:
IN: 1.3274
EX: 1.3083

B18B (96-01)

Camshaft Specs:
IN: 1.3274
EX 1.3200

 

90 is obd 0
92 is obd 1

You can do it, but i would recommend getting another obd 1 motor (92-93 b18a, or 94-95 B18B), save you more time and effort than it would be worth...plus you would be swapping a motor with less power.

 

Are the blocks the same???

 

# Power: 90-91 Only: 130 bhp (97 kW) @ 6000 rpm & 126 ft·lbf (171 N·m) @ 5000 rpm
# Power: 92-93 Only: 140 bhp (100 kW) @ 6300 rpm & 121 ft·lbf (164 N·m) @ 5000 rpm

if u really look at it your not really getting a much different in trying to change it cuz all your doing is change your torque for HP so u almost going to be running the same if u really want to do all that change just go to a B18B Power: 142 hp (106 kW) @ 6300 rpm & 127 ft·lbf (172 N·m) @ 5200 rpm. and that would be worth the effort that just my two cent

 

or b16a pistons and the 92-93 intake cam.