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Oldsmobile Engines 1995 - Present

 

Engines 1995 - Present

This is the Aurora DOHC V-8 engine, the A8. [ The words "Manufactured by General Motors exclusively for Oldsmobile" appear on the intake manifold's tuned runners.

What CIDS

CID    Years      Bore   Stroke  VIN  Color  Notes
4.0L   '95 -      87mm   84mm                A '95 introduced in '94.
(244)


Engine Performance

Year  CID          CR       HP        Torque
'95   244 (4.0L)   10.3:1   [email protected]


Indy Car Engine

Production Aurora V-8 Indy Aurora V-8
Displacement 4.0 liters (244ci) 4.0 liters (244ci)
Cylinder Angle
90 degrees 90 degrees
Cylinder Bore Spacing
102mm 102mm
Valvetrain
Dual overhead cams Dual overhead cams
Valves per Cylinder
4 4
Camshaft Drive
ChainChain
Cylinder Head Material
AluminumAluminum
Cylinder Case Material
AluminumAluminum
Cylinder Liners
Dry ironDry iron
Crankshaft Design
90 degrees90 degrees
Fuel System
Sequential EFISequential EFI
Engine Controller
Delco ElectronicsDelco Electronics
Maximum rpm
6,40010,500
Horsepower
250hp @ 5600 rpm600+ hp
Fuel
Unleaded gasolineMethanol
Bore Diameter
87mm93mm
Crankshaft Stroke
84mm73.4mm
Deck Height
8.848.1
Compression Ratio
10.3:113-15:1
Throttle System
Throttle BodyIndividual Runner
Lubrication System
Wet SumpDry Sump

The Aurora will have white diamond metallic paint with black and gold highlights (sounds like the performance colors of about 28 yrs. ago) with Indy 500 graphics. A power sunroof, 3.71:1 transaxle ratio (included with the Aurora's optional Autobahn package), chrome plated aluminum alloy wheels and Goodyear Eagle P235/60R16 tires rated for sustained 150 mph speed. The non-stock items that will be installed are those mandated by USAC which include a roll bar and a five-point safety harness for the driver and passenger.

[ Thanks to Glenn for this information ]
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