Assertion: stock car's engine | /r/HasProperty | replaced with lower compression
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Source sentences:
text: The 383 engine was replaced with a lower compression 4-barrel 400, while the 440 engine was still available, with lowered compression and downrated to net 280 hp (209 kW; 284 PS) instead of the previous 350 hp (261 kW; 355 PS) gross.