Category: Engine

Porsche 911 Chain Housing Components

Porsche 911 Timing Chain Housings

After assembling the heads and cam towers, the next major components to be added to the air-cooled flat-six sandwich were the timing chain housings.

Porsche 911 Long Block Overhead

Porsche 911 Heads and Cam Towers

While I was assembling the pistons and cylinders, I sent my cam towers to my machine shop to get cleaned up, drilled, and tapped for threaded spray bar plugs.

Porsche 911 Engine Shortblock

Porsche 911 Engine Case Bits

After successfully sealing the engine case, there were a ton of little external parts to bolt on to transform that shortblock into a longblock.

Porsche 911 Engine Case Internals

Porsche 911 Engine Case Assembly

After checking all bearing clearances between the case and crank, laying out all the internal components and adhesives, and capturing everything on a set of master work instructions, I was finally ready to rock with case assembly.

Porsche 911 Main Crank Bore Check

Porsche 911 Engine Case Prep

With an assembled crank and rods, and intermediate shaft, it was now time to perform all the final checks and details to prepare for case reassembly.

Porsche 911 Bottom End Assembly

Porsche 911 Bottom End Assembly

With the rods all spec’d out, I turned my attention to my crank and how I should set it up for measuring and hanging the rods.

Porsche 911 Bottom End Hardware

Porsche 911 Bottom End Rebuild Prep

Once I received my engine case, crank, and rods back from the machine shop, my next target was to gather all the parts, tools, and information I needed to start reassembling the bottom end.

Porsche 911 Connecting Rods

Porsche 911 Engine Machining

In between DIY articles we have finally found some time to catch everyone up on the Porsche 911 engine rebuild!