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- Cars For Sale - ClassicOldsmobile. com
1989 Olds 98 - Clean car for Sale johnaevans887@gmail com on Aug 25, 2025 Aug 25, 2025 12:38 PM by johnaevans887@gmail com 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 Chermack, Bob Barry for this information PMD Head Castings Pontiac Motor Division (PMD) was commissioned, for lack of a better term, to produce Olds heads
- 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 virtually nothing is interchangeable among the engines of the different GM divisions, without a lot of machine work
- 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 directly to the block
- 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 and long-lasting engine To eek out more HP you can go with higher compression, which will prevent pump gas usage (highest stock 455 comp was 10 5:1)
- 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, Delta 88's, 98's and Toronados, and the Omega
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