Building an FA20 Race Engine for Michele Abbate: Part 2

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Then, the case halves are mated.

The ARP bolts holding the case halves together are tightened.

Next, Howard torques the case bolts to spec.

Howard oils the pin bores in the JE Pistons.

Howard also lubes up the small end of the Carillo rods.

 

4 comments

  1. I’m curious why the pistons were coated after wpc treatment. Wouldn’t the tiny dimples caused by wpc be smoothed out or removed by the coating building up? Was wpc just for strength benefits? I’m also confused because I thought I’d read wpc treatment could be done to coated surfaces. Did they mean something harder like chrome?

    Thanks in advance for any reply

    1. I was using the WPC for ring groove freeness and longevity and to reduce the galling of the piston up there. WPC can be done to stuff like nitriding and hard chrome but it will remove organic coatings.

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