2000 Firehawk No. 453 Specs and Features


Engine LS1 Detail
Trans Am Features
SLP Modifications



Small block Chevy V8 single cam pushrod.
"Gen III" LS1, 16 valves
Sequential electronic fuel injection.
Released in 1997 for the C5 Corvette. 
Block 319 Aluminum, heat treated to T5
6-bolt steel bearing caps
"large journal" main bearings
Grey-iron bore sleeves
weight 107 lbs
Bore 3.8976 in
Stroke 3.6620 in
Total Displacement 5.66 liters, 345.69 ci (Chevy says, call it a "350")
Compression 10.2 : 1
Horsepower 330 (SLP published value for 2000 Firehawk)
Redline RPM 6000 (computer limited)
Carburetion Sequential electronic port fuel injection
Distributor None.  Coil per cylinder, computer fired
Intake manifold Dupont Nylon 66 ("composite" plastic/fiberglass)
tuned intake port length for maximum top end
port volume 200 cc
Chamber Displacement 67.3 cc
Heads 356 Cast Aluminum, heat treated to T6
Valve angle 15 degrees
Valves 16, stainless steel
Push rods Sintered, forged PF1159M steel
"powdered metal"
length 6.1 in
Lifters, Rockers Hydraulic, roller
rocker arm ratio 1.7 : 1
Camshaft Steel, rifle drilled for weight loss
intake lift .472 in, exhaust lift .479
duration:  <unpublished, "conservative">

The f-body cam is reported to be tamer than
the Corvette cam, accounting for GM's
published reduction in horsepower (305 vs. 345)
This is the only published difference between the LS1 for f-body's and the 'vette y-body LS1.

Pistons Cast aluminum
compression height 34 mm, weight 434 grams
Thermostat 195 degrees
Firing order 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3


Trans Am

Description 2000 model year V87X Trans Am Coupe
WU6 Firehawk package
Color Black exterior
Black leather interior
Transmission Borg-Warner T-56
manual, 6-speed
Hurst shift option
Features Traction control option
4-wheel disk automatic braking system
Air conditioning
Power windows, locks
Remote keyless entry
Cruise control
Dual airbags
Security alarm system
12-disk CD player, 500-watt Monsoon sound
Steering wheel audio controls
6-way adjustable seats
Removable T-tops



SLP Mods

Suspension Bilstein, ultra performance system.
Large diameter front sway bar and bushings
Rear jounce bumper spacer
Oversized panhard bar, firmer bushings
Progressive rate compression coil springs front and back
Recalibrated Bilstein shock absorbers
Rear lower control arms with firmer bushings to reduce wheel hop under heavy acceleration.
Exhaust Cat-back stainless steel, performance rated.
3" stainless steel intermediate pipe
3" over-the-axle pipe
"Power-Flo" Muffler, stainless, minimal back pressure, "very distinctive exhaust note"
2.5" dual tailpipes, twin dual tips, 304 stainless

Ratio 3.42 : 1
Auburn Gear, high-torque, performance rated, limited slip.

American Axle Manufacturing aluminum cover for axle fluid distribution and cooling

Requires 80W-90 mineral axle lubricant (non-synthetic) with two ounces of GM limited slip additive.  AAM cover requires liquid gasket, use Threebond 1216-AB or equivalent RTV Silicone Sealer.  Stock differential cover gasket should not be used.


Hood Composite, functional air scoops
Heat extractors
Underhood forced-air induction system
Wheels 17" x 9 " Chrome plated aluminum, 5-spoke
Tires Firestone Firehawk P275/40ZR17 SZ50 17"
Lubricant Castrol "Syntek" 5W-30
a Conserving II oil with API service SH/CD rating
Oil Filter AC PF44
Air Filter A1163C