Jeep CJ-7
1980–86
Factory gearing, tires, angles and brakes for the CJ-7, 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.
Axle ratio2.73Factory
Crawl ratio28.8:1Best trim: Base 258 six (1980-81 tires) (H78-15 tires)
Angles43 · 17 · 32°Approach, breakover, departure
Clearance7.6 in6.9 to 7.6 in by trim
Highway mpg17EPA, 19 with the manual
Trims
6 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| Base 151/150 four (1980-81 tires) (H78-15 tires) | 28.3 | Borg-Warner SR-4 4-speed manual, Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Chrysler TorqueFlite 904 3-speed automatic | — | 43 · 17 · 32 | 6.9 in | Use → |
| Base 258 six (1980-81 tires) (H78-15 tires) | 28.3 | Borg-Warner SR-4 4-speed manual, Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Tremec T-176 4-speed manual, Chrysler TorqueFlite 999 3-speed automatic | 2.73 | 43 · 17 · 32 | 6.9 in | Use → |
| Base (1982-83 tires) (G78-15 tires) | 27.7 | Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Tremec T-176 4-speed manual, Chrysler TorqueFlite 999 3-speed automatic | 2.73 | 43 · 17 · 32 | 7.6 in | Use → |
| Base (1984-86 tires) | P205/75R15 | Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Tremec T-176 4-speed manual, Chrysler TorqueFlite 999 3-speed automatic | 2.73 | 43 · 17 · 32 | 7.6 in | Use → |
| CJ-7 Limited (1982) | P225/75R15 | Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Tremec T-176 4-speed manual, Chrysler TorqueFlite 999 3-speed automatic | 2.73 | 43 · 17 · 32 | 7.6 in | Use → |
| Laredo / Renegade with P235/75R15 Wrangler OWL | P235/75R15 | Borg-Warner T-4 4-speed manual, Borg-Warner T-5 5-speed manual, Tremec T-176 4-speed manual, Chrysler TorqueFlite 999 3-speed automatic | 2.73 | 43 · 17 · 32 | 7.6 in | Use → |
Size
- Wheelbase
- 93.4 in
- Front overhang
- 23.5 in
- Rear overhang
- 36.3 in
- Height
- 69 in
- Body
- Short wheelbase SUV
- Stock tires
- 27.7, 28.3, P205/75R15, P225/75R15, P235/75R15
Transmissions and low range
- Borg-Warner SR-4 4-speed manual (4-cyl ratios)
- 4.07 · 2.39 · 1.49 · 1
- Borg-Warner SR-4 4-speed manual (6-cyl ratios)
- 3.5 · 2.21 · 1.43 · 1
- Borg-Warner T-4 4-speed manual
- 4.03 · 2.37 · 1.5 · 1
- Borg-Warner T-5 5-speed manual
- 4.03 · 2.37 · 1.5 · 1 · 0.86
- Tremec T-176 4-speed manual
- 3.52 · 2.27 · 1.46 · 1
- Chrysler TorqueFlite 904 3-speed automatic (4-cyl)
- 2.45 · 1.45 · 1
- Chrysler TorqueFlite 999 3-speed automatic (6-cyl)
- 2.74 · 1.55 · 1
- Low range, dana 300
- 2.62:1
Axles
- Front
- Dana 30 - unverified
- Rear
- AMC 20 (Dana 44 on some late Laredo/1986 per fandom) - unverified
- 2.73 ratio
- All trims
Brakes
- Front rotor
- 11.79 in, 299 mm
- Front caliper piston
- 66.0 mm
- Rear drum
- 10.00 in, 254 mm
- Rear
- drum (10 x 1.75 in)
Suspension
- Front
- solid axle on leaf springs
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway, automatic
- 17 mpg
- EPA highway, manual
- 19 mpg
- Rated years
- 1984–1986, 4WD
Aftermarket bumpers
17 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 CJ-7 sees how it does on their tires and lift.
Front 10
- Crown Automotive RT34022 Stainless Steel Front Bumper with Holes (CJ)$243
- Fishbone Offroad Piranha Front Bumper for 1976-1995 Jeep CJ/Wrangler FB22080$337
- Motobilt Mid-Width Front Bumper for Jeep CJ35 lb · $429 · winch ready
- Rugged Ridge Front Tube Winch Bumper (76-06 CJ, YJ, TJ)$520 · winch ready
- Rusty's Off-Road Rusty's Bumper - Trail Front - CJ-5 / CJ-7 / CJ-8$502
- Smittybilt 76740D Classic Front Bumper with D-Ring Mounts$200
- Warn Rock Crawler Front Full Width Bumper for 1976-1986 Jeep CJ / Scrambler$720 · winch ready
- Warrior Products 490 Front Bumper with Receiver (Black)$537
- Warrior Products Warrior 485 Jeep Wrangler CJ 1976-1986 Standard Front Bumper$468
- Warrior Products Warrior 570 Jeep Wrangler YJ & TJ 1976-2006 Rock Crawler Front Bumper$495 · winch ready
Rear 7
- Affordable Offroad Affordable Rear Bumper-Jeep CJ (1954-1986)46 lb · $330
- Affordable Offroad Rear Flush Mount Bumper – Jeep CJ (71-86)16 lb · $190
- LoD Offroad Destroyer Expedition Rear Bumper Jeep Wrangler CJ 1976-1986 With Tire Carrier JBC7621$1,360
- Motobilt Crusher Rear Bumper for Jeep CJ/YJ/TJ/LJ50 lb · $699
- Motobilt Rear Rock Crawler Bumper w/receiver for Jeep CJ / YJ / TJ / LJ54 lb · $599
- Rusty's Off-Road Rusty's Bumper - Trail - Rear - CJ-5, CJ-7, CJ-8$593
- Warn Rock Crawler Rear Bumper for 1976-1983 Jeep CJ5 / 1976-1986 Jeep CJ7$727
Every calculator, set up for the CJ-7
Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tiresRegearHighway RPM on every ratio and mpg.Pick your gearsCrawl ratioHow slow it creeps, against other trucks.Work out crawlSpeedometerWhat it really reads on new tires.Fix your speedoLinksAnti-squat and what a lift does to it.Check your linksYour rigBuild sheet and measured angles.Start a build sheetLeaderboardsWhere the CJ-7 ranks against every stock truck.See where it ranks
Source: auto-brochures.com.
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.