Original engine, or not? [Archive] - GrandAmGT.com Forum


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02-25-2007, 11:07 PM
How can I verify that the engine in a 2003 Alero V6 is the original, and that it has the mileage claimed for it?

03-01-2007, 03:34 PM
run the VIN, and also there are numbers on the block one should be on the bell housing on the left side as you face the flywheel side, and also by the front cover on the block should be the VIN. also tejohnson has the RPO decoder in the sticky section i think, just put in the RPO from the engine, the trans, or from the car itself to make sure. if you have the VIN, if it has been to any dealership at any time, then you should be able to run the mileage.