ASE Mechanic Prep Exam: A1-A8
iOS app by Deeun Inc.. Education · Deeun Inc.
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-08
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Store description excerpt
ASE MECHANIC PREP: YOUR COMPLETE A1-A8 CERTIFICATION TOOLKIT The tools you use in the shop. The questions you see on the test. One app. GEAR RATIO CALCULATOR Figure out final drive ratios, speedometer correction, and RPM at any speed. Enter your ring and pinion teeth. Select your transmission gear. Input your tire size. The app calculates: - Final drive ratio - Effective gear ratio in any gear - RPM at any speed - Speed at any RPM - Speedometer correction for tire changes Save multiple vehicle setups. Compare stock versus modified. Know exactly what happens before you swap gears. COMPRESSION RATIO CALCULATOR Building an engine? Need to verify specs? Calculate compression ratio from: - Bore and stroke - Combustion chamber volume - Head gasket thickness - Piston dome or dish volume - Deck clearance Get accurate compression ratio and fuel octane recommendations. No more guessing if you need premium. OBD-II CODE REFERENCE Over 500 diagnostic trouble codes with: - Plain English descriptions - Common causes - Diagnostic steps - Related codes Search by code or description. Works offline. The code database every mechanic needs. TIRE SIZE CALCULATOR Compare tire sizes instantly: - Diameter difference - Speedometer error - Revolutions per mile - Width and sidewall changes Know if that tire upgrade will fit before you buy. 1000+ PRACTICE QUESTIONS All eight ASE A-series tests: A1 - Engine Repair - Compression and leak-down testing - Valve train service - Timing belt and chain - Cooling and lubrication systems A2 - Automatic Transmission - Fluid diagnosis - Pressure testing - Torque converter operation - Electronic controls A3 - Manual Drivetrain - Clutch service - Synchronizer operation - Differential setup - CV and U-joint service A4 - Suspension and Steering - Alignment angles - Power steering diagnosis - Ball joint and bushing inspection - Electronic steering systems A5 - Brakes - Hydraulic system diagnosis - ABS operation - Rotor measurement - Pad and shoe service A6 - Electrical Systems - Voltage drop testing - Parasitic draw diagnosis - Wiring diagram reading - CAN bus communication A7 - Heating and Air Conditioning - Refrigerant handling - System diagnosis - Component testing - EPA regulations A8 - Engine Performance - Scan tool interpretation - Fuel trim analysis - Ignition diagnosis - Emissions systems BUILT FOR THE SHOP Dark theme for working under vehicles. High contrast for greasy screens. Large buttons for dirty hands. Works offline. WHO NEEDS THIS APP - Automotive technology students - Working mechanics seeking certification - Technicians recertifying (every 5 years) - Service advisors - Dealership employees - DIY enthusiasts FREE TO START 5 questions per day free. Calculators in limited mode. Upgrade for unlimited access. PRO - LIFETIME ACCESS - Unlimited practice questions (all 8 tests) - Full gear ratio calculator - Full compression ratio calculator - Complete OBD-II code database - Tire size calculator -
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