Chevrolet Tahoe 2-door
1992–99 full-size Blazer/Tahoe
Factory gearing, tires, angles and brakes for the Tahoe 2-door, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.
Tire upgrades, worked out
5.7 V8 automatic, std 4x4 tire, 3.42s, from P245/75R16| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 265/75R16 | 31.6 in | +0.6 in | 63 mph | 1,653 | Keep 3.42s | Open → |
| 285/75R16 | 32.8 in | +1.2 in | 60 mph | 1,593 | 3.73 | Open → |
| 33x10.50R16 | 33.0 in | +1.3 in | 60 mph | 1,585 | 3.73 | Open → |
| 255/85R16 | 33.1 in | +1.3 in | 60 mph | 1,582 | 3.73 | Open → |
| 315/75R16 | 34.6 in | +2.1 in | 57 mph | 1,512 | 4.1 | Open → |
| 35x12.50R16 | 35.0 in | +2.3 in | 57 mph | 1,494 | 4.1 | Open → |
Stock turns 1,717 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
4 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| 5.7 V8 automatic, std 4x4 tire | P245/75R16 | 4-speed automatic | 3.42 / 3.73 | 22 · 24 · 28 | 8.0 in | Use → |
| Z71 off-road package / P265/75R16 option | P265/75R16 | 4-speed automatic | 3.42 / 3.73 | 24 · 25 · 30 | 8.0 in | Use → |
| LT245/75R16 on/off-road option | LT245/75R16 | 4-speed automatic | 3.42 / 3.73 | 23 · 24 · 29 | 8.0 in | Use → |
| 1992-95 5-speed manual | P245/75R16 | 5-speed manual | 3.42 / 3.73 | 22 · 24 · 28 | 8.0 in | Use → |
Size
- Wheelbase
- 111.5 in
- Front overhang
- 35 in
- Rear overhang
- 41.1 in
- Height
- 72 in
- Body
- SUV
- Stock tires
- LT245/75R16, P245/75R16, P265/75R16
Transmissions and low range
- 4-speed automatic (4L60-E)
- 3.06 · 1.63 · 1 · 0.7
- 5-speed manual (NV4500, GM light-duty, crawler 1st)
- 6.34 · 3.44 · 1.71 · 1 · 0.73
- Low range, np241
- 2.72:1
- Low range, nv246
- 2.72:1
Axles
- Front
- GM 8.25 in IFS
- Rear
- GM 10-bolt 8.5 in
- 3.42 ratio
- 5.7 V8 automatic, std 4x4 tire, Z71 off-road package / P265/75R16 option, LT245/75R16 on/off-road option, 1992-95 5-speed manual
- 3.73 ratio
- 5.7 V8 automatic, std 4x4 tire, Z71 off-road package / P265/75R16 option, LT245/75R16 on/off-road option, 1992-95 5-speed manual
- Ratios made for it
- 3.73 · 4.1 · 4.56 · 4.88
Brakes
- Front rotor
- 11.61 in, 295 mm
- Front caliper piston
- 75.0 mm
- Rear drum
- 10.00 in, 254 mm
- Rear
- drum (10 in)
Suspension
- Front
- 4x4: double wishbone IFS, torsion bars
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway, automatic
- 16 mpg
- EPA highway, manual
- 16 mpg
- Rated years
- 1992–1999, 4WD
Frame
- Rail top at the rear axle
- 28.7 in off the ground
- Measured on
- P245/75R16
Brake upgrades
What bigger tires need →- 8-lug 8600 GVW front caliper swap (Raybestos FRC4413C / FRC4414C)+14% brake torque11.6 → 11.6 in rotor · 1-pistonReman calipers only; owners pair it with a matching master cylinder and stainless lines.
Aftermarket bumpers
7 listedMakers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this Tahoe 2-door sees how it does on their tires and lift.
Front 5
- Hammerhead 600-56-0185T Chevy Tahoe and Suburban 1998-2000 Front Bumper Winch Ready No Brushguard$2,056 · winch ready
- Iron Bull Bumpers 1992-1994 Chevrolet Blazer Front Bumper$1,700
- Iron Bull Bumpers 1992-2000 Chevrolet Tahoe/Suburban Front Bumper$1,700
- Ranch Hand Legend Series Front Bumper FBC881BLR220 lb · $2,023
- TrailReady 10200B Chevy Silverado 1500 1988-1999 Extreme Duty Front Bumper Winch Ready Base$3,654 · winch ready
Rear 2
- Iron Bull Bumpers 1992-1994 Chevrolet Blazer Rear Bumper$1,550 · winch ready
- Iron Bull Bumpers 1992-2000 Chevrolet Tahoe Rear Bumper$1,550 · winch ready
Every calculator, set up for the Tahoe 2-door
Source: auto-brochures.com. GM 8.25 IFS front and 8.5 rear each have a carrier break; check existing ratio before buying gears.
Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.