Chevrolet Blazer (S-10)
1995–2005 2-door
Factory gearing, tires, angles and brakes for the Blazer (S-10), 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
Base/LS 4x4, P205/75R15, 3.42s, from P205/75R15| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 235/75R15 | 28.9 in | +0.9 in | 61 mph | 1,811 | 3.73 | Open → |
| 31x10.50R15 | 31.0 in | +1.9 in | 57 mph | 1,687 | 4.1 | Open → |
| 32x11.50R15 | 32.0 in | +2.4 in | 55 mph | 1,635 | 4.1 | Open → |
| 33x10.50R15 | 33.0 in | +2.9 in | 53 mph | 1,585 | 4.1 | Open → |
| 33x12.50R15 | 33.0 in | +2.9 in | 53 mph | 1,585 | 4.1 | Open → |
Stock turns 1,930 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 |
|---|---|---|---|---|---|---|
| Base/LS 4x4, P205/75R15 | P205/75R15 | 4-speed automatic, 5-speed manual | 3.42 / 3.73 | 27 · 23 · 22 | 7.5 in | Use → |
| Touring/Premium ride, P235/70R15 | P235/70R15 | 4-speed automatic, 5-speed manual | 3.42 / 3.73 | 28 · 24 · 23 | 8.0 in | Use → |
| ZM6 Off-Road suspension | P235/75R15 | 4-speed automatic, 5-speed manual | 3.42 / 3.73 | 29 · 25 · 23 | 8.0 in | Use → |
| ZR2 Wide-Stance | 31x10.50R15 | 4-speed automatic, 5-speed manual | 3.73 | 36 · 31 · 26 | 8.9 in | Use → |
Size
- Wheelbase
- 100.5 in
- Front overhang
- 34.5 in
- Rear overhang
- 39.7 in
- Height
- 72 in
- Body
- Short wheelbase SUV
- Stock tires
- 31x10.50R15, P205/75R15, P235/70R15, P235/75R15
Transmissions and low range
- 4-speed automatic (4L60-E)
- 3.06 · 1.63 · 1 · 0.7
- 5-speed manual (NV3500)
- 4.02 · 2.32 · 1.4 · 1 · 0.73
- Low range, np231
- 2.72:1
- Low range, nv233
- 2.72:1
- Low range, nv136
- 2.72:1
Axles
- Front
- GM 7.25 in IFS
- Rear
- GM 7.625 in 10-bolt (ZR2: GM 8.5 in)
- 3.42 ratio
- Base/LS 4x4, P205/75R15, Touring/Premium ride, P235/70R15, ZM6 Off-Road suspension
- 3.73 ratio
- Base/LS 4x4, P205/75R15, Touring/Premium ride, P235/70R15, ZM6 Off-Road suspension, ZR2 Wide-Stance
- Ratios made for it
- 3.73 · 4.1 · 4.56
Brakes
- Front rotor
- 10.79 in, 274 mm
- Front caliper piston
- 46.0 mm
- Rear rotor
- 11.61 in, 295 mm
- Rear
- disc (vented, 295 x 20 mm)
Suspension
- Front
- 4x4: double wishbone IFS, torsion bars
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway, automatic
- 18 mpg
- EPA highway, manual
- 18 mpg
- Rated years
- 1995–2005, 4WD
Frame
- Outside of the rails
- 40.35 in
- Rail top at the rear axle
- 24.7 in off the ground
- Measured on
- P205/75R15
Aftermarket bumpers
2 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 Blazer (S-10) sees how it does on their tires and lift.
Front 2
- Affordable Offroad Elite Chevy S-10 / Blazer Modular Plain Front Winch Bumper 1994-200592 lb · $595 · winch ready
- Hammerhead 600-56-0111 Chevy S10 ZR2 1994-2003 Front Winch Bumper Pre-Runner$2,183 · winch ready
Rear
None listed yet.
Every calculator, set up for the Blazer (S-10)
Source: auto-brochures.com. The 7.25 in IFS front has very limited ratio choices; ZR2 rear 8.5 and std 7.625 use different gear sets.
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.