Bad Diveability Problem, Need Help! (kinda long)

[rel3rd]

Just did a head gasket job on a friend's 92 LX. I didn't take it apart, but got the job putting it back together.
Anyway, it's a generic 306, aluminum heads, Cobra intake, Vortech S trim car. After getting it all back together, it fired right up, and idled decent. After checking for leaks and stuff, I decided to take it around the block. The car didn't agree with that. Any throttle above an idle, the car will NOT take. In other words, it idles fine, but will not rev, in fact it is as if the accelerator cable is unhooked, totally non-responsive. While it was apart, I also added 42# injectors, and had meter re-cal'd by Pro-M. Fuel pressure was a bit high, I thought, at 58psi. Timing, I set at 8* because he doesn't want to add a fuel system just yet. I'm just trying to get him by while he prepares for the fuel system cash outlay. I did get a "Check Engine" light, which while doing a KOEO self test showed me a code 15 and a code 85. Code 15 says "Failure in Electronic Control Assembly (ECA)- problems with Keep Alive Memory", while Code 85 says either "Canister Purge (CANP) solenoid- circuit failure", OR "Electronic Control Assembly (ECA) status- adaptive "lean" limit reached in fuel control program."

Can't really figure why either code would make the car do what it is doing. I figure the Code 85 may be due to antifreeze fouled O2's??

Hitting a brick wall as far as the driveability problem goes...
It will "drive" only at about 1500 rpm's or less. Any more gas pedal, and car will nose dive like the gas pedal came unhooked...

Any ideas or suggestions are appreciated!

Thanks, BOB