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Teardown and Cleaning

 

Engines and components are first torn down and cleaned using a variety of different processes including: thermal cleaning to bake grease and moisture out of the parts, glass or steel shot blasting, and two separate jet spray cabinets. 

Cyldiner Head Surface JD

Cylinder Heads

Once clean, cylinder heads are thoroughly inspected so that machining processes can be performed. Heads are surfaced to restore flatness and achieve the smoothness required for proper sealing. Additional machining is performed as necessary including installing new guides, seats, valves, seals, and springs. 

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Boring and Decking

Engine blocks are thoroughly inspected and then the cylinders are bored for oversize pistons and the deck surfaced. If necessary, sleeves will be installed. After boring and decking, the block will have its cylinders honed.

Cylinder Honeing

Cylinder Honing

After boring, cylinders are honed to achieve a plateaued "crosshatch" pattern. This highly precise finish provides good oil retention and ring support, as well as preconditioning the cylinders reducing the time it takes for new rings to seat, reducing initial ring wear, reducing blowby, and reducing overall oil consumption. 

Crankshaft Grinding

Crankshafts are inspected and straightened if necessary. Crankshaft main and rod journals are then ground and polished as necessary for undersize bearings. 

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Connecting Rod Reconditioning

Connecting rods are inspected and then reconditioned to factory specifications using a Sunnen precision honing machine. Connecting rods and caps are ground at the mating surface and then torqued to specification. Next, they are honed to the original factory specification for that particular rod. If necessary, connecting rod bolts and nuts will be replaced. 

Assembly

Assembly

After all machine work has been completed and parts have been thoroughly cleaned one last time, assembly will occur. For some customers, assembly consists of an entire engine. Other customers may simply need a cylinder head machined and reassembled, or connecting rods reconditioned and pressed onto new pistons. Whatever machining processes and assembly you require, we can handle it! 

Jimmie installing press fit pistons on to connecting rods for a 345 International