At CHS Machine Shop, we provide expert welding and repair services for engine blocks and cylinder heads, restoring damaged engines to their full structural integrity and performance. Using advanced techniques and state-of-the-art equipment, our certified machinists repair cracks, leaks, worn surfaces, and other damage to keep your engine running safely and efficiently.

From small cracks to major block repairs, we handle repairs for automotive, diesel, marine, and high-performance engines.

Comprehensive Welding & Repair Services

Engine Block Crack Repair

We repair cracked engine blocks caused by overheating, freezing, or mechanical stress. Using precise welding and metal-stitching techniques, we restore the block’s structural integrity and ensure long-lasting performance.

Cylinder Head Welding & Repairs

We repair cracks, damaged valve seats, and worn surfaces on cylinder heads. Our techniques maintain proper alignment and sealing for optimum compression and engine efficiency.

Freeze Plug & Core Plug Replacement

We replace damaged or corroded freeze plugs and core plugs to prevent coolant leaks and overheating, ensuring your engine runs reliably.

Metal Stitching & Brazing

For complex repairs, we use metal stitching or brazing to restore cracked or damaged surfaces without weakening the surrounding metal. This method is ideal for engine blocks and cylinder heads.

Surface Machining After Repair

All repaired surfaces are machined to precise tolerances, ensuring proper sealing, flatness, and alignment. This prevents leaks, overheating, and further damage.

Minor Block Damage Restoration

We repair minor nicks, gouges, or wear areas in blocks to restore smooth surfaces for pistons, bearings, and crankshafts.

Precision Alignment & Quality Assurance

After welding or repair, we verify all critical measurements, alignment, and tolerances to meet OEM or performance specifications.

Common Issues We Fix

• Overheating damage cracks
• Freeze or core plug leaks
• Warped cylinder heads
• Burnt or cracked valve seats
• Minor engine block surface damage
• Oil or coolant leaks from cracks
• Damage from racing or performance applicationss

Why Choose CHS Machine Shop?

✔ Over 20 years of engine welding and repair experience
✔ Certified machinists trained in advanced welding and metal stitching
✔ State-of-the-art repair and machining equipment
✔ Automotive, diesel, marine, and performance engine specialists
✔ Quick turnaround and reliable service
✔ Honest advice and cost-effective repairs