The Oldsmobile Aurora racing engine has a compression ratio of 15 to 1 and is capable of producing 650HP at 10,000 RPM.
The Aurora was introduced to the IRL in 1997. The top 27 starters at Indy were Aurora V-8's. The next year every car competing in the Indy 500 was powered by an Oldsmobile Aurora V-8. This particular engine was acquired from Sam Schmidt Motorsports.
Block Manufacturer : Oldsmobile
Block Material : Aluminum
Cylinders : 8
Displacement : 237.4
Bore : 3.625
Stroke : 2.875
Block Year : 1997
Head Manufacturer : Aurora
Head Material : Aluminum
Cam : Dual Overhead
Cam Drive : Gear
Carburetion : EFI
Head Year : 1997
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Engine: Aurora Indy
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