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Quick Piston/Pin to Rod bushing clearance check

Engine Building Fundamentals

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Discussion and questions related to the course Engine Building Fundamentals

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Hey all, could use a look over on my measurements if someone wouldn’t mind checking my work. The Y clearance between the pin to rod bushing are on the tight side. Are they too tight to run? Or send it? it’s a used set of rods that got a good bill of health from the machine shop. He did mention there may be a possibility they could use a hone and I’m wondering if my measurements confirmed that.

For context the engine is a 2.0L 4g63 (7bolt out of an old eagle talon) the most this engine will ever see might be 600hp down the road but mid 400hp in its early stages of life. Street car but do plan on track use.

See attached photo (pins measured .8660)

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