ACE ENGINE MACHINING/I KNOW A GUY AUTOMOTIVE
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Claim This BusinessAbout ACE ENGINE MACHINING/I KNOW A GUY AUTOMOTIVE
ACE Engine Machining, operating as I Know a Guy Automotive, stands as a certified auto repair destination in Casa Grande, Arizona. The shop maintains a 4.8-star rating accumulated across 57 customer reviews, reflecting consistent service quality delivered on a Monday-through-Friday schedule from 9:30 AM to 5 PM. ASE-trained technicians handle vehicle repairs ranging from routine oil changes to complex engine machining, addressing both gas and diesel powered vehicles.
What distinguishes this shop from other independent mechanics is their in-house machining capability for engine components including brake drums, rotors, and custom engine parts. Their service menu covers the full vehicle lifecycle from preventative maintenance to diagnostic scanning, cooling system repairs, and multi-point inspections for prospective vehicle purchasers. The shop also handles A/C system repairs including compressor service, refrigerant charging, and condenser work.
Several customer accounts reference specific assistance from Jake, who explained repair procedures and costs transparently. One reviewer describes how Jake spent 16 minutes on the phone advising a customer on a financial decision. Another customer story recounts the shop repairing a daughter's dented door and loose side view mirror at no charge during an oil change visit. A third reviewer notes Jake identified multiple trucks as lemons during pre-purchase inspections, saving them from costly mistakes.
What Customers Say
All 57 verified reviewers award 5 stars, with recurring themes being transparency about costs, honest assessments of needed repairs, and willingness to explain procedures. Multiple customers specifically mention Jake by name and describe receiving personal attention rather than generic service.
Working Hours
| Sunday | Closed |
| Monday | 9:30 AM–5 PM |
| Tuesday | 9:30 AM–5 PM |
| Wednesday | 9:30 AM–5 PM |
| ThursdayToday | 9:30 AM–5 PM |
| Friday | 9:30 AM–5 PM |
| Saturday | Closed |
Services
Oil Change & Multi-Point Inspection
Complete oil replacement with filter change for gas and diesel vehicles, performed alongside a thorough multi-point inspection checklist.
Brake Repair & Machining
Replacement of brake pads, drums, and rotors, with in-house machining services to resurface drums and rotors when possible.
A/C System Repair
Full air conditioning diagnostics and repair covering compressor, refrigerant, condenser, lines, and accumulator/dryer components.
Cooling System Service
Pressure testing, thermostat replacement, water pump service, radiator and hose replacement with coolant flush.
Engine Diagnostics & OBD Scanning
OBD scan tool diagnostics, specific problem identification, testing, and repair quoting for check engine light issues.
Pre-Purchase Vehicle Inspection
Comprehensive multi-point inspection of any vehicle before you buy, covering under-hood and under-vehicle systems.
Engine Component Machining
In-house machining services for engine components including custom engine part fabrication and repair.