3800 Series II Turbocharged 3.8L V6
L36/L67/LC2 Hybrid
Engine
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1997 L67 3800 Series II Supercharged short-block (stock) |
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1997 L36 3800 Series II Naturally Aspirated cylinder heads (ported) |
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1998 L36 Camaro Intake & Throttle Body (stock) |
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Stock cam, pistons, rods, crank, etc. |
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Denso Iridium IT22 spark plugs @ 0.050" gap |
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Crane 25-ohm (per foot) FireWire plug wires |
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Stock 3800 Series II DIS ignition system |
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105 amp alternator |
Transmission
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1995 4T60-E 4-speed automatic with overdrive |
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3.33 final drive gear ratio |
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35/35 chain sprocket ratio |
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Stock rebuild with modified 1-2 and 2-3 shift accumulators |
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Adjustable vacuum modulator |
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External trans coolers |
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70% Valvoline MaxLife DexronIII ATF / 30% CATERPILLAR 8T9572-30w Hydraulic Trans fluid |
Induction & Exhaust
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1987 Buick Grand National Turbocharger (Garrett TB0348) |
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Terry Houston 3" Downpipe Elbow |
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Adjustable wastegate actuator |
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1987 Buick Grand National Intercooler, modified inlet/outlet |
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2.5 inch mandrel bent turbo discharge tubing |
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3.0 inch Delco mass air flow sensor mounted before the throttle body |
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K&N cone filter |
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3.0 inch mandrel bent exhaust tubing |
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Magnaflow wide-open 3" muffler |
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"Header wrapped" exhaust manifolds and downpipe |
PCM & Engine Management
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1996 OBD2 Bonneville PCM |
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Custom programming done by Sinister Performance (myself) |
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42.5 lb/hr injectors |
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12psi max boost on 93 octane |
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16psi max boost on Race Gas |
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Electronic feedback boost controller |
Other vehicle modifications
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Stock cooling system with 2-speed cooling fan |
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Engine compartment heat-extraction electric fan |
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Intercooler mounted electric cooling fan |
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R-134a Air Conditioning |
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Battery relocated to front |
Current Best 1/4 mile Performance (or click here to view timeslip)
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12.262 sec |
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113.05 mph |
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1.756 sec 60' |
Planned Upgrades
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Forged pistons |
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Larger GT-Series Turbo |
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Larger Intercooler |