What services does River City Motor Works offer?

River City Motor Works specializes in precision machining and engine work. Our services include: Crankshaft grinding and balancing Engine block boring and honing Cylinder head resurfacing Custom engine assembly Rod and crank balancing Component machining and fabrication Performance engine building

What types of engines do you work on?

We work on a wide variety of engines — from classic street motors to high-performance and race engines. Our machine shop can handle both domestic and import engine blocks, whether for restoration projects or custom builds.

Do you provide new or reconditioned parts?

Yes. We can fabricate, recondition, or custom-machine engine components such as crankshafts, connecting rods, and valve train parts. If parts need to be replaced, we can either re-machine existing pieces (if salvageable) or make new ones according to your specifications.

How long does an engine machining or rebuild project take?

Timing depends on the complexity of the job. A basic crankshaft grind or honing job may only take a day or two, while a full engine rebuild or custom engine assembly could take several weeks. During your initial consultation, we’ll give you a realistic timeline based on your project.

Do you offer performance upgrades?

Yes. In addition to standard machining services, we offer performance-oriented work. We can help optimize your engine for higher power, better durability, or specific racing applications by offering custom balancing, porting, and precision builds tailored to your performance goals.

River City Motor Works

About Us

River City Motor Works, nestled in the heart of Dubuque, IA, is your locally-owned machine shop with expertise in automotive machining. Since opening in 2019, we have established ourselves as specialists in a wide array of services including boring, honing, crankshaft grinding, engine assembly, and engine parts sourcing. Proudly serving the communities of Dubuque County, Jo Daviess County, and Grant County, our dedicated team is committed to providing superior quality and precision for all your automotive needs. Discover the exceptional workmanship at River City Motor Works today!

Highlights

Automotive Machining

Block Work & Cylinder Head Rebuilding

Metal Finishing & Rust Removal

News

River City Motor Works Assistant

Contact Form