9701 Philadelphia Rd, Rosedale, MD 21237  |    (410) 686-6530

Baltimore, Maryland’s engine experts since 1977!

Complete Head & Machine Shop Service. Family-owned and operated.

Engine Machining & Rebuilding

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Services at JB Auto's in

Our Services

Stock

Antique

Industrial

Marine

Restoration

High Performance

Custom

Custom Engine Machining & Rebuilding

Don’t want the typical crate engine for your project? Looking for a custom one of a kind engine? JB’s Auto Machine can help you design an engine with a unique style that is tailored to the look, performance and sound you want. Whether we modify your engine or build one from scratch, we can build the engine of your dreams! We can do mild to wild and everything in between!

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Stock Engine Machining & Rebuilding

When we receive your broken or tired engine, it is disassembled, cleaned, and inspected. Once you give us the green light, your parts are machined back to factory tolerances. Worn parts are replaced, and your engine is reassembled, ready to perform like new!

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Antique Engine Machining & Rebuilding

JB’s Auto Machine is no stranger to antique engines. We disassemble, clean and inspect every part of your engine. We have the capability to modify engine internals to handle today’s fuel and driving styles. All worn parts are replaced, and your engine is reassembled, ready to perform.

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Industrial Engine Machining & Rebuilding

Whether you have a forklift, generator, or small piece of equipment, JB’s Auto Machine can rebuild your “work horse” engine and have it ready to give you many hours of reliable service!

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Marine Engine Machining & Rebuilding

JB’s Auto Machine can overhaul your inboard marine engine. We disassemble, clean and inspect every piece of your engine. Parts are pressure tested and magnafluxed to test for potential water leaks. Any worn items are replaced with marine grade proven parts. Engines are completely assembled with accessories, test run, and adjusted. All you need to do is drop it in your boat and hit the water!

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Engine Restoration

Bring us your restoration project engine. We’ll clean, rebuild and restore each piece to make it work and look new again. We work with you to make sure even the paint is correct. We offer a “break in” service to start your engine, break in camshafts, set distributor curve, adjust the carburetor and have your engine ready to drop in and go!

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High Performance Engine Machining & Rebuilding

Looking for optimal engine power? JB’s Auto Machine can analyze your engine and help you achieve the performance you are looking

for! We have the machines, knowledge and experience to put together powerful combinations to take your engine to the next level! Whether you’re drag, oval, marine, or just want an awesome ride, JB’s Auto Machine can deliver!

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Degreasing

Sonic Cleaning

Glassbeading

Magnafluxing

Pressure Testing

Vacuum Testing

Reboring & Honing

Sleeve Installation*

Block & Head Resurfacing

Bushing Rods

Press Pistons off/on Rods

Align Boring/Honing

Balancing Cranks/Rotating Assemblies

Model A & B Crankshaft Counter Weights Installation (Crankshaft Counter Weights Available at JB's Auto)

Polishing/Grinding Cranks

Valve Jobs (Stock & Performance)

Porting

Flow Testing

O'Ring Installation

Hardened Exhaust Seat Installation

(for unleaded fuel)

Flywheel Lightening & Resurfacing

Pressurized Oil Systems

Machining for Bearing Inserts

Resurfacing Exhaust & Marine Manifolds/Risers

Partial/Complete Engine Assembly

Adding Accessories & Starting

And more!

* Sorry, no outboards. We cannot install ported or dorton sleeves.


We carry engine parts!

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