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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.

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Old 11-29-2025, 03:34 PM   #1
hotrod1442
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How to Identify if Engine is The Original to the Car/Chassis

Recently purchased another 2013 FR-S, and I'm trying to determine if it is the original engine that the car was manufactured/delivered with.

The VIN of the car does not have any numbers that correspond to the ID numbers on the engine cases. I check our other car that I believe does have the Original engine,.......and the numbers don't have any simalarity to its VIN.

Is there a difinative way to determine if an engine is an original unit? Possibly a production date that would at least give a "ball park" of whether or not it could/could not be the original engine?
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Old 11-29-2025, 03:44 PM   #2
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Unfortunately, no VIN stamp on the block.the only way to know for sure what the year range is, would be something like the coil pack harness (indicating 2015 and newer) and if a manual car, 2017+ has the red intake manifold.

Honestly the easiest way to tell is seeing if the engine mounts, subframe, or other things are scuffed up from a hasty swap
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