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Aug 10, 2025 · 1989 Olds 98 - Clean car for Sale [email protected] on Aug 25, 2025 Aug 25, 2025 12:38 PM by [email protected] 0
Olds FAQ -- Heads
Olds engines used 7/16" head bolts up 'til 1976, after that they used 1/2" head bolts. The 7/16" head bolts took 85 ft/lbs of torque, and the 1/2" bolts took 130 ft/lbs. [ Thanks to Jim …
Olds FAQ -- Engines
Olds simply raised the deck height on their small block casting about an inch to accommodate the 4.25" stroke of the big block 455. The above is a simplification, but the bottom line is that …
Olds FAQ -- Intake Manifolds
Identification The early Olds V-8s used a "raised" intake manifold design with a separate valley cover. There was also a small "bug" shield in front of the intake. The later V-8 intake seals …
Olds FAQ -- 350 CID Engine Detail - ClassicOldsmobile.com
The 350 was built from 1968 through 1980, produced from 160hp to 320hp, and was installed in just about every car Olds built in that period at one time or another, including the Cutlass/442, …
Olds FAQ -- 455 CID Engine Detail - ClassicOldsmobile.com
According to my trusty Olds engine book, the 455 was available in 310 hp, 320 hp, 365 hp, 370 hp, 390 hp, all street engines, with full manufacturers warranties. The 455 is a very forgiving …
Olds FAQ -- Cranks
Oldsmobile FAQ Crankshafts section.Cranks 1949 - 1964 Identification All crankshafts of this period are forged. Strengthening/Machining Cranks 1964 - 1990 Identification There are about …
Olds FAQ -- Brakes
Oldsmobile FAQ Brakes."When steel-armored hoses were run through a test, it was found that the hoses tended to bend right at the junction between the hose and the hose-ends. After a …