The factory rating was 305HP, and that's probably a decent number for flywheel HP. An A4 would run about 250-255HP at the rear wheels, and an M6 would put down 260-265HP.
Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor
Also, all LT4 equipped F-body's were Hardtops and 6-speeds. Some LT4's, as my car did, came equipped with SLP's Level III suspension. So, no T-tops or Auto's.
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