Totally normal with stock cams of course depending on the Dyno, tune, fuel type etc. Some will sneak more power using race fuel.
Unless you're way low like 275hp at 25psi with something wrong then assume 10whp per psi of boost. Local weather conditions such as heat and humidity can take a lot of whp away. That's a sloppy rule of thumb. Cams and flow increases over stock can throw that rough estimation out the window.
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I ran an otherwise stock head with just 262's for around 8 years. I didn't notice a huge difference. I still have that engine half way into a Corrado build that's stalled.
12yrs later I'm doing a "last hurrah" build and trying the other way. Upgraded springs, titanium retainers, bigger cams. It won't be frequently driven, more of a seasonal-weekend toy. Just about half way into the engine works now, slow going hobby work at night.
If you're already up and running then don't be afraid to mix it up and try different things. You can always switch back. Not everybody likes the same engine characteristics...
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Finished this one up recently.
99 A4 Avant
01E transmission, JHM rebuild, (axle cup swap from A4 2.8) w/ A4 2.8 axles
DSS single piece S4 driveshaft
DAK rear differential, 034 diff carrier mounts, ECS diff mount w/ A4 2.8 axles
JHM short shifter
USP hydraulic lines
AWE Tuning Drivetrain stabilizer
034 Motorsports trans mounts
Vr6 (AFP eng code) + ARP hardware + coolant and timing components replacement
Precision 6266 dbb Gen 2
Tial 38mm wastegate @ 1bar
Tial 50mm DV
3" turboback exhaust adapted from 1.8T
Modified SPA intake manifold
ATP clone turbo manifold
Multiple heatshields and heatshielding materials
Deka 630cc injectors
Intank + Walbro inline pump
034 engine mounts
ALL engine accessories in original locations
Front - Touareg 17Z 6 piston calipers, Volvo V70R rotors (modified for lug holes), ss braided lines
SW + Electronics
United Motorsports Pro-Maf 630 file
AAA + AHA Engine harness hybrid - S&P (Alan Robertson)
Combination of AAA/AFP/AHA engine sensors
Cross generational Sensor-ECU compatibility guidance - need_a_vr6 (Paul)
Custom fan control module + A4 2.8 fan control module
Longitudinal Swap Components
Ringer Racing flywheel
Ringer Racing Stage 4+ clutch kit
VR6 engine brackets - homebuilt
01E trans brackets - Matthew Alden
Oil pan - INA
Phaeton Adapter plate
Working A/C and power steering
Last edited by V-dubbulyuh; 01-11-2020 at 06:50 PM. Reason: Updates for 2020
"OP sounds like a MKIV guy"