i have a question... i just bought this car yesterday and was wondering roughly what my horse power would be with these mods? ok here goes everything that was done...
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1997 30th Z28, A4, white/orange, houndstooth, t-top car. It has about 1400 miles on rebuilt motor. Mods:

Walk around video

Rebuilt heads – by Sauls Cylinder Head, Inc. in Savannah, Ga.
Beehive springs
Crane Cams Gold Race 1.6 S/A 3/8” RRs
Trick Flow hardened pushrods

Tri-metal 780 bearings
CC503 Cam
Moly piston rings
160 degree thermostat
Cloyes double roller timing set
CSI/CSR EWP

Cold air intake
K&N air filter
24# SVO FIs
Holley FPR
58mm BBK throttle body
TB bypass
Intake ported for 58mm TB with runners ported to Felpro gaskets
Racetronix 255 fuel pump w/harness

CAT/EGR delete
JetHot LT headers
JetHot coated Hooker y-pipe
Flowmaster catback

Jegster SFCs
Spohn LCAs
TByrne panhard bar
Eibach Sportline springs
External tranny cooler

Moser 12-bolt, 373 gears – 5,000 miles on it
Silver GM ZR1s up front with new rubber
Silver w/polished lip 17x11 ZR1 replicas in rear with 315/35/17 DRs

Auto Meter Phantom Tranny Temp gauge
Auto Meter Phantom Air/Fuel gauge with left/right bank switch
White face gauges

OBDI PCM

 

Anywhere from 330whp to 370whp. Only one way to find out...

 

About 310rwhp...the injectors are too small for much more unless you run 100% duty cycle or higher fuel pressure..

You should be using 30 pound injectors at a minimum....

 

I agree injector are to small for that cam.

I would guesst-a-mate rwhp in the 320-340hp depends on alot of things. Sounds like a great car. 370 is a little high but not impossible. Are the heads stock with stock valve size

 

i believe the heads are stock with stock valve size... they were rebuilt with all upgraded components... so i was told... i dont know alot about the car except what i posted... i have an air fuel ratio gage... it says its not running lean or anything... i was thinking about changing the heads and injectors next year...
thx for all the input... oh and i'll be looking for a dyno shop in the area so i'll post my numbers as soon as i get the car dynoed... hopefully get it tuned while im at it

 

Sounds like a great car ! Good luck with it

 

Yes it does sound like a great car to start with and have fun. I will tell you this once you start adding you will never stop.

 

What kind of air/fuel guage do you have? If its a narrowband, throw it away or sell it to the next sucker.

FWIW, mdactons brother ran 12.2s@110 with a cc503 with bone stock heads and a 2800 converter.