Just wanted to share my experience with my 355 AI engine build that Josh buttoned together a year ago already. Due to a couple lousy experiences in the past, it took me a while to find a good shop and someone who actually cares (and charges a fair price). From a simple trans cooler install on my GTO, to a full out engine and suspension build on my LT1 car , i've been pretty happy. A few quirks appeared, but with a 15 year old car i think it was just time for some little stuff to take a dump. So far, the motor is doing great with 7000 miles on it and my hope is that it lasts for another 50k!
My original dyno numbers were 405whp and 378tq. Recently re-dynoed and it put out 411rwhp and 384tq. I guess it must have loosened up a little. Or it was from fixing the ignition break-up at 5800 RPM
Here are the full specs of everything. I had Josh take my brand new GM shortblock, gut it and do the machining & assembly as well as R&R the motor in the car. He also rebuilt the suspension with Konis, replaced the clutch, among many other things.
Internal Engine:
Brand new GM LT1 block 4-bolt mains
Advanced Induction "Dominator" 200cc heads
Advanced Induction billet core 230/236 cam @112LSA
Advanced Induction High performance valvetrain package
Advanced Induction ported intake manifold
Ohio Forged 4340 3.48" crankshaft
Compstar 6" Forged rods
Mahle Powerpak Forged -5cc pistons
Clevite Competition Series rod/main bearings
LT4 Extreme duty timing chain
ATI Superdamper
Exhaust:
Hooker Super Competition long tube headers, coated
Borla cat-back, no cats
Drivetrain:
Moser 9" Rear End , Detroit Truetrac posi, 4.11 gear ratio
PST 3.5" balanced driveshaft w/ loop
BMR torque arm relocation kit
Spec 3 clutch
Suspension:
Koni 4/4 Shocks
UMI Panhard bar
UMI Rear Control Arms
UMI Race Torque Arm
Fuel system:
Racetronix High-flow 255lph in-tank fuel pump
Racetronix 42lb/hr flowmatched fuel injectors
Cooling:
Brand new ACdelco radiator
160* SLP thermostat
Electric water pump
Tuning:
Dyno tuning by Bryan Herter