I installed a Superram, and I already have the base. I also installed new Accel 24lb Injectors. I only went for one quick ride and did a 0-60 with my Gtech and it was identical to the way it was running with the TPI. I could feel a small loss of torque below 2500 but I could also feel a stronger top end. I thought for sure the car would run better. It did feel a touch smoother though, but that's probably the injectors. I have been setting a code 23 though. My TPS does appear to be working fine so I have to think it is something else. I was throwing this code before I did the mods too. Any help or thoughts are appreciated. Thanks.

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87 GTA 350 L98
K&N filter, beefed up TH-700r4, Accel Manifold, Ported Plenum and Runners, Fuel Press. Regulator 49.5psi, air foil, modified MAF, SLP cold air box, Hypertech Thermomaster chip w/160 thermostat, MSD 6AL and Blaster 3, B&M shift kit & megashifter, Moser Ford 9in Rear with Richmond 3.50 and locker, Edlebrock TES headers and Cat Back,Gutted cat, removed emissions, Hotchkis setup in rear, Poly suspension and Koni in the front, relocated MAT, bypassed TB coolant, 300 lbs lighter

 

doesn't sound like you did any prom work thaat will definatly have to be addressed i got a lot of work in my 87 t/a with an ads chip and it's not giving me the power it should call ed wright for a chip @fastchips they are in oklahoma and are one of the best

 

also look into a good converter that will really help

 

The only thing the Superram will do for you is that it will let you breath beyond 4500rpms.. And since you didn't add heads/cam(atleast i don't see anything in the sig). I don't know how much it would really help you.
Except for above 4500rpms of course...

Brendan

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1987 IROC-Z L98,SuperRam,EB 6085's,LPE 219/219 Roller, Crane 1.6RR, EB TPI Base, 58mm TB, ADS 24#, AFPR, K&N, EB TES, Catco Cat, 3" Borla Cat-Back, Accel cap,rotor,distro/other crap, MSD 6AL, MSD Blaster 3, Aluminum DS, 94 Disk Rear, Adjustable Valve, Precision 3.73 Gears, Sub-Frame Connectors, Hotchkis Lower Control Arms, KYB Shocks/Struts, Suspension Techniques Lowering Springs, Polyurethan Bushings all over the place, Moog Upper/Lower Ball joints and Tie Rods ends/Idler Arm,

To see the ROC, Check out the webpage Here

 

If you just slapped on 24# injectors without altering the eprom, you are running far too rich. You must alter the eprom to let it know that you have larger injectors.

Also, the other points about lack of heads/cam are correct to. It is like slapping on the Miniram to a stock motor...yes, your engine will rev more and make more peak HP, but now it is mismatched (cam/heads). Combine that with larger injectors and no eprom change, and consider yourself lucky that you didn't go slower.