Specs

VIN #

1GDCT18Z4PO81#### (Last 4 is GMs build#, NOT PAS)

Year

1993

Model

GMC Typhoon

Sticker Price

$29,320 to $29,580

Engine

 
90° V-6 Cast Iron Block & Heads Turbocharged & InterCooled

RPO:

LB4

Bore & Stroke

4.00 X 3.48 In., 101.6 X 88.4mm

Displacement

262 cu. in., 4300cc, 4.3L

C/R

8.35:1

Turbocharger

Mitsubishi TDO-6 – 17c/8cm2
Wastegate
Integral

Intercooler

Garrett 13 PSI Water/Air closed system
Valvetrain
OHV – 2 valves per cylinder
1.5 rockers, pushrods, hydraulic lifters

Horsepower

285 bhp @ 4400 rpm

Rated Torque

350lb-ft @ 3200 rpm

Performance

0-60 mph – 4.9 sec (MT)
SS 1/4 mile – 13.6 sec (MT)

Redline

4800 RPM

Transmission

4 Spd Auto 700-R4 w/ Lockup Torque Converter

TCC Stall Speed

2100 RPM

Gear Ratios:

1st 3.06
2nd 1.63
3rd 1.00
4th 0.70

Final Drive Ratio

3.42:1 (limited slip rear axle)

Drivetrain

All Wheel Drive

Transfer Case

Borg Warner BW-4472
Transfer-gear ratio
1.00:1

Torque Split

35% front, 65% rear

Torque Bias

Viscous Coupling

Suspension

Front Sway Bar

1.26″ Diameter

Front

Independent Unequal Length Control Arms,
Torsion bars, Anti-Roll Bar

Rear

Live Axle, Semi-Elliptic, Single-Stage, Multi-Leaf Springs with Electronic
Air Level Control

Steering

Integral Power, Reciculating Ball, Power Assisted

Turns Lock to Lock

3.1

Turning Circle

Curb to Curb – 35.4 Ft.
Performance
Skidpad – 0.82g (R&T)

Brakes

Front

10.5″ X 1.03″ Vented Disk

Rear

9.5″ X 2″ Cast Iron Drums

Power Assist

Vacuum, W/4 Wheel Anti-Lock
Performance
60-0 – 133 ft (MT)
Front
min Rotor Thickness .980″
Rear
Maximum Drum Diameter 9.560″

Wheels:

Wheel Size:

16.0″ X 8.0″

Bolt Pattern

5 X 4.75

Wheel Offset

Front 41mm     Rear 13mm

Stud Size

M10.9 12 x 1.50 @ 1-3/4″ long

OEM Tire Size

Firestone Firehawk SVX, P245/50VR-16 M+S

Dimensions

Wheelbase

100.5 in.

Track, F/R

57.8 / 58.0 in.

Length

170.3 in.

Width

68.2 in.

Height

60.0 in.

Ground Clearance

7.1 in.

Curb Weight

3860 lb
Weight distrib. F/R
56.8/43.2%
Interior
SAE volume
Front seat – 52 cu ftRear seat – 39 cu ft
Luggage space – 28 cu ft
Front seats
Independent Buckets w/Center Console
Seat adjustments
fore & aft, seatback angle, lumbar support, 6 Way power opt.
Restraint systems
Front & Rear manual 3-point belts

Do you know the differences between the 92 & 93 Typhoons?

Body:

  • 92 got escutheons around the door handles, unpainted
  • 92 Typhoons have silver logos
  • 93 has gold

Interior:

  • Door Panels:
  • 92’s had a pleated/bunched up look
  • 93 has a single horizontal seam
    (Same concept is carried into the side panels in the rear seating area)

Seats:

  • 92 has leather fronts, but cloth sides and backs, also has the Typhoon logo embroidered in the
  • head rest. Manual lumbar via hand pump bulbs
  • 93 got the Fat Man full leather power seats

What Makes the SyTy engine different form the other GM 4.3Ls?

  • Compression is 8.35/1
  • Differences:
    • nodular iron main caps
    • better headgaskets
    • lower comp. hypereutic pistons.
    • cam is same as same year NA 4.3