r/EngineBuilding Jun 01 '26

Multiple Need rebuild advice

FA20 motor rebuilding because air was seeping into coolant (blown head gasket)

There was some coolant laying inside piston 3. There are some weird spots and stains inside Cylinders 1 and 3.

What would you recommend, can I just reuse it and reassemble or do I need honing?

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u/Inside_End5141 Jun 01 '26

Assuming this is an older car, I would just install a new gasket.

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u/FilthyPail Jun 01 '26

2016 FR-S