**This is old news to many people however I just recieved the permission from Bill to re-post this info**
For a 350 Buick this is pretty impressive considering the lack of aftermarket parts. The entire rotating assembly was all custom order. No aftermarket heads and only 1 aluminum intake equal to a Edelbrock Performer.
350 buick stock 2 bolt main block 3.830 bore x 3.85 stroke (stock configuration) All ARP Studs throughout-60-80psi oil pressure running 50w Redline stock oil pump.
Custom crank, Custom rods, custom forged Pistons 8.5 comp
Custom Roller Cam-246/260@.50 .578/.600 112LC installed straight up.
850 CSU Carb and Hat 80/88 jetting on final pull
Aeromotive A1000 regulator
Race air-to-air intercooler w/ a 125 mph fresh air fan in front.
Headers are 2" tubes - 21" long - 4-2-1 merge into 3.5" x 4.5" megaphone 5" long.
Port IRON BUICK HEADS 290intake/200exhaust 1.6 Roller Rockers
Ported STOCK IRON 4BBL INTAKE with plenium milled out
5" carb spacer
2 different ATI superchargers were used:
F-1 Procharger- Chevy cog adaption. Drive: 8" & 6.75" Blower: 3.5" down to 2" in 1/4" increments. 8" and 3" were the most used up to 16psi.
Motor, N/A Hp and torque numbers were mid 5's NA and the graph pretty much went flat just over 5800.
First Combination D-1:
838.5 hp @ 7100
674 tq @ 6000
Boost to 15psi (overspinning blower)
881.1hp @ 6950
711.1tqe @ 6105
Second combination F-1C:
950 hp/ 731 trq. Ran it up to 7200rpm on PUMP GAS!! 20psi
upper 900's with more tuning on following pulls......
on the seventh and final pull w/race gas and 20psi:
1021 hp @ 6800
808 ft. lbs. trq. @ 5750!!!
After watching a video of the monster 350 this was the posting: